699748416 has 112 divisors (see below), whose sum is σ = 2165502400. Its totient is φ = 220962816.

The previous prime is 699748393. The next prime is 699748429. The reversal of 699748416 is 614847996.

699748416 is a `hidden beast` number, since 69 + 97 + 484 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22176 + ... + 43488.

Almost surely, 2^699748416 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 699748416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082751200).

699748416 is an abundant number, since it is smaller than the sum of its proper divisors (1465753984).

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

699748416 is a wasteful number, since it uses less digits than its factorization.

699748416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21353 (or 21337 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 699748416 is about 26452.7581926725. The cubic root of 699748416 is about 887.7976164058.

The spelling of 699748416 in words is "six hundred ninety-nine million, seven hundred forty-eight thousand, four hundred sixteen".