398622344 has 16 divisors (see below), whose sum is σ = 747654300. Its totient is φ = 199247872.

The previous prime is 398622331. The next prime is 398622347. The reversal of 398622344 is 443226893.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 311946244 + 86676100 = 17662^2 + 9310^2 .

It is not an unprimeable number, because it can be changed into a prime (398622347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28952 + ... + 40440.

Almost surely, 2^398622344 is an apocalyptic number.

It is an amenable number.

398622344 is a deficient number, since it is larger than the sum of its proper divisors (349031956).

398622344 is a wasteful number, since it uses less digits than its factorization.

398622344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15832 (or 15828 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 398622344 is about 19965.5288935705. The cubic root of 398622344 is about 735.9594387304.

The spelling of 398622344 in words is "three hundred ninety-eight million, six hundred twenty-two thousand, three hundred forty-four".