397020967 has 8 divisors (see below), whose sum is σ = 454977536. Its totient is φ = 339374232.

The previous prime is 397020947. The next prime is 397020973. The reversal of 397020967 is 769020793.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397020967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397020947) 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, 74703 + ... + 79840.

It is an arithmetic number, because the mean of its divisors is an integer number (56872192).

Almost surely, 2^397020967 is an apocalyptic number.

397020967 is a deficient number, since it is larger than the sum of its proper divisors (57956569).

397020967 is a wasteful number, since it uses less digits than its factorization.

397020967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154917.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 397020967 is about 19925.3849900071. The cubic root of 397020967 is about 734.9725980498.

The spelling of 397020967 in words is "three hundred ninety-seven million, twenty thousand, nine hundred sixty-seven".