699351696 has 120 divisors (see below), whose sum is σ = 2068453920. Its totient is φ = 219967488.

The previous prime is 699351691. The next prime is 699351701. The reversal of 699351696 is 696153996.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (699351691) and next prime (699351701).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (699351691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1211760 + ... + 1212336.

It is an arithmetic number, because the mean of its divisors is an integer number (17237116).

Almost surely, 2^699351696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699351696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034226960).

699351696 is an abundant number, since it is smaller than the sum of its proper divisors (1369102224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699351696 is a wasteful number, since it uses less digits than its factorization.

699351696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1044 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 699351696 is about 26445.2584786007. The cubic root of 699351696 is about 887.6298067358.

It can be divided in two parts, 69935 and 1696, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 699351696 in words is "six hundred ninety-nine million, three hundred fifty-one thousand, six hundred ninety-six".