397033081 has 8 divisors (see below), whose sum is σ = 398758464. Its totient is φ = 395312400.

The previous prime is 397033033. The next prime is 397033099. The reversal of 397033081 is 180330793.

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 397033081 - 2¹⁵ = 397000313 is a prime.

It is a super-2 number, since 2×397033081² = 315270534816705122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397033001) 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, 340806 + ... + 341968.

It is an arithmetic number, because the mean of its divisors is an integer number (49844808).

Almost surely, 2^397033081 is an apocalyptic number.

It is an amenable number.

397033081 is a deficient number, since it is larger than the sum of its proper divisors (1725383).

397033081 is a wasteful number, since it uses less digits than its factorization.

397033081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 397033081 is about 19925.6889717771. The cubic root of 397033081 is about 734.9800731945.

The spelling of 397033081 in words is "three hundred ninety-seven million, thirty-three thousand, eighty-one".