699606996 has 72 divisors (see below), whose sum is σ = 1828364832. Its totient is φ = 207979200.

The previous prime is 699606959. The next prime is 699606997.

699606996 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699606997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72411 + ... + 81501.

It is an arithmetic number, because the mean of its divisors is an integer number (25393956).

Almost surely, 2^699606996 is an apocalyptic number.

699606996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 699606996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (914182416).

699606996 is an abundant number, since it is smaller than the sum of its proper divisors (1128757836).

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

699606996 is a wasteful number, since it uses less digits than its factorization.

699606996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9173 (or 9160 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 60.

The square root of 699606996 is about 26450.0849904117. The cubic root of 699606996 is about 887.7378040527.

The spelling of 699606996 in words is "six hundred ninety-nine million, six hundred six thousand, nine hundred ninety-six".