699412398 has 16 divisors (see below), whose sum is σ = 1402168320. Its totient is φ = 232580216.

The previous prime is 699412367. The next prime is 699412411. The reversal of 699412398 is 893214996.

It is a super-2 number, since 2×699412398² = 978355404952220808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 699412398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136590 + ... + 141617.

It is an arithmetic number, because the mean of its divisors is an integer number (87635520).

Almost surely, 2^699412398 is an apocalyptic number.

699412398 is an abundant number, since it is smaller than the sum of its proper divisors (702755922).

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

699412398 is a wasteful number, since it uses less digits than its factorization.

699412398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278631.

The product of its digits is 839808, while the sum is 51.

The square root of 699412398 is about 26446.4061452591. The cubic root of 699412398 is about 887.6554873512.

The spelling of 699412398 in words is "six hundred ninety-nine million, four hundred twelve thousand, three hundred ninety-eight".