397469042 has 16 divisors (see below), whose sum is σ = 617912064. Its totient is φ = 191550000.

The previous prime is 397468943. The next prime is 397469053. The reversal of 397469042 is 240964793.

It is a junction number, because it is equal to n+sod(n) for n = 397468984 and 397469002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 28332.

It is an arithmetic number, because the mean of its divisors is an integer number (38619504).

Almost surely, 2^397469042 is an apocalyptic number.

397469042 is a deficient number, since it is larger than the sum of its proper divisors (220443022).

397469042 is a wasteful number, since it uses less digits than its factorization.

397469042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25825.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 397469042 is about 19936.6256422696. The cubic root of 397469042 is about 735.2489890227.

The spelling of 397469042 in words is "three hundred ninety-seven million, four hundred sixty-nine thousand, forty-two".