397556054 has 8 divisors (see below), whose sum is σ = 681524688. Its totient is φ = 170381160.

The previous prime is 397555993. The next prime is 397556063. The reversal of 397556054 is 450655793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 397555996 and 397556014.

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, 14198417 + ... + 14198444.

It is an arithmetic number, because the mean of its divisors is an integer number (85190586).

Almost surely, 2^397556054 is an apocalyptic number.

397556054 is a deficient number, since it is larger than the sum of its proper divisors (283968634).

397556054 is a wasteful number, since it uses less digits than its factorization.

397556054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28396870.

The product of its (nonzero) digits is 567000, while the sum is 44.

The square root of 397556054 is about 19938.8077376758. The cubic root of 397556054 is about 735.3026374921.

The spelling of 397556054 in words is "three hundred ninety-seven million, five hundred fifty-six thousand, fifty-four".