397000934021 has 8 divisors (see below), whose sum is σ = 406355050944. Its totient is φ = 387751332640.

The previous prime is 397000933993. The next prime is 397000934039. The reversal of 397000934021 is 120439000793.

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

It is a cyclic number.

It is not a de Polignac number, because 397000934021 - 2⁶ = 397000933957 is a prime.

It is a super-2 number, since 2×397000934021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397000934521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26121200 + ... + 26136393.

It is an arithmetic number, because the mean of its divisors is an integer number (50794381368).

Almost surely, 2^397000934021 is an apocalyptic number.

It is an amenable number.

397000934021 is a deficient number, since it is larger than the sum of its proper divisors (9354116923).

397000934021 is a wasteful number, since it uses less digits than its factorization.

397000934021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52257771.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 397000934021 in words is "three hundred ninety-seven billion, nine hundred thirty-four thousand, twenty-one".