398569044 has 12 divisors (see below), whose sum is σ = 929994464. Its totient is φ = 132856344.

The previous prime is 398569037. The next prime is 398569111. The reversal of 398569044 is 440965893.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 398568984 and 398569002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16607032 + ... + 16607055.

Almost surely, 2^398569044 is an apocalyptic number.

It is an amenable number.

398569044 is an abundant number, since it is smaller than the sum of its proper divisors (531425420).

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

398569044 is a wasteful number, since it uses less digits than its factorization.

398569044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33214094 (or 33214092 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 398569044 is about 19964.1940483457. The cubic root of 398569044 is about 735.9266354291.

The spelling of 398569044 in words is "three hundred ninety-eight million, five hundred sixty-nine thousand, forty-four".