397693441 has 8 divisors (see below), whose sum is σ = 404110944. Its totient is φ = 391290240.

The previous prime is 397693411. The next prime is 397693469. The reversal of 397693441 is 144396793.

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 397693441 - 2⁵ = 397693409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 397693391 and 397693400.

It is not an unprimeable number, because it can be changed into a prime (397693411) 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, 62001 + ... + 68113.

It is an arithmetic number, because the mean of its divisors is an integer number (50513868).

Almost surely, 2^397693441 is an apocalyptic number.

It is an amenable number.

397693441 is a deficient number, since it is larger than the sum of its proper divisors (6417503).

397693441 is an equidigital number, since it uses as much as digits as its factorization.

397693441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7151.

The product of its digits is 489888, while the sum is 46.

The square root of 397693441 is about 19942.2526561068. The cubic root of 397693441 is about 735.3873294391.

The spelling of 397693441 in words is "three hundred ninety-seven million, six hundred ninety-three thousand, four hundred forty-one".