397142476 has 24 divisors (see below), whose sum is σ = 707857920. Its totient is φ = 194922000.

The previous prime is 397142461. The next prime is 397142477. The reversal of 397142476 is 674241793.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (397142477) 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, 64951 + ... + 70801.

It is an arithmetic number, because the mean of its divisors is an integer number (29494080).

Almost surely, 2^397142476 is an apocalyptic number.

It is an amenable number.

397142476 is a deficient number, since it is larger than the sum of its proper divisors (310715444).

397142476 is a wasteful number, since it uses less digits than its factorization.

397142476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165 (or 6163 counting only the distinct ones).

The product of its digits is 254016, while the sum is 43.

The square root of 397142476 is about 19928.4338571800. The cubic root of 397142476 is about 735.0475703087.

The spelling of 397142476 in words is "three hundred ninety-seven million, one hundred forty-two thousand, four hundred seventy-six".