397087941 has 4 divisors (see below), whose sum is σ = 529450592. Its totient is φ = 264725292.

The previous prime is 397087937. The next prime is 397088017. The reversal of 397087941 is 149780793.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 397087941 - 2² = 397087937 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 (397087931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66181321 + ... + 66181326.

It is an arithmetic number, because the mean of its divisors is an integer number (132362648).

Almost surely, 2^397087941 is an apocalyptic number.

It is an amenable number.

397087941 is a deficient number, since it is larger than the sum of its proper divisors (132362651).

397087941 is a wasteful number, since it uses less digits than its factorization.

397087941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132362650.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 397087941 is about 19927.0655391104. The cubic root of 397087941 is about 735.0139235643.

The spelling of 397087941 in words is "three hundred ninety-seven million, eighty-seven thousand, nine hundred forty-one".