398696370 has 32 divisors (see below), whose sum is σ = 962753472. Its totient is φ = 105665472.

The previous prime is 398696357. The next prime is 398696377. The reversal of 398696370 is 73696893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398696377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35877 + ... + 45656.

It is an arithmetic number, because the mean of its divisors is an integer number (30086046).

Almost surely, 2^398696370 is an apocalyptic number.

398696370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398696370 is an abundant number, since it is smaller than the sum of its proper divisors (564057102).

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

398696370 is a wasteful number, since it uses less digits than its factorization.

398696370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81706.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 398696370 is about 19967.3826527164. The cubic root of 398696370 is about 736.0049929265.

The spelling of 398696370 in words is "three hundred ninety-eight million, six hundred ninety-six thousand, three hundred seventy".