397056998 has 16 divisors (see below), whose sum is σ = 679129920. Its totient is φ = 172477056.

The previous prime is 397056983. The next prime is 397057007. The reversal of 397056998 is 899650793.

It is a Curzon number.

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, 448718 + ... + 449601.

It is an arithmetic number, because the mean of its divisors is an integer number (42445620).

Almost surely, 2^397056998 is an apocalyptic number.

397056998 is a deficient number, since it is larger than the sum of its proper divisors (282072922).

397056998 is a wasteful number, since it uses less digits than its factorization.

397056998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898351.

The product of its (nonzero) digits is 3674160, while the sum is 56.

The square root of 397056998 is about 19926.2891176456. The cubic root of 397056998 is about 734.9948311297.

The spelling of 397056998 in words is "three hundred ninety-seven million, fifty-six thousand, nine hundred ninety-eight".