397424292 has 48 divisors (see below), whose sum is σ = 996925440. Its totient is φ = 122828832.

The previous prime is 397424281. The next prime is 397424303. The reversal of 397424292 is 292424793.

It is an interprime number because it is at equal distance from previous prime (397424281) and next prime (397424303).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7828 + ... + 29259.

It is an arithmetic number, because the mean of its divisors is an integer number (20769280).

Almost surely, 2^397424292 is an apocalyptic number.

It is an amenable number.

397424292 is an abundant number, since it is smaller than the sum of its proper divisors (599501148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397424292 is a wasteful number, since it uses less digits than its factorization.

397424292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37160 (or 37158 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 397424292 is about 19935.5033044064. The cubic root of 397424292 is about 735.2213947335.

The spelling of 397424292 in words is "three hundred ninety-seven million, four hundred twenty-four thousand, two hundred ninety-two".