397048442 has 16 divisors (see below), whose sum is σ = 681593280. Its totient is φ = 169928928.

The previous prime is 397048427. The next prime is 397048507. The reversal of 397048442 is 244840793.

It is a self number, because there is not a number n which added to its sum of digits gives 397048442.

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, 8843 + ... + 29534.

It is an arithmetic number, because the mean of its divisors is an integer number (42599580).

Almost surely, 2^397048442 is an apocalyptic number.

397048442 is a deficient number, since it is larger than the sum of its proper divisors (284544838).

397048442 is a wasteful number, since it uses less digits than its factorization.

397048442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39125.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 397048442 is about 19926.0744252349. The cubic root of 397048442 is about 734.9895517357.

The spelling of 397048442 in words is "three hundred ninety-seven million, forty-eight thousand, four hundred forty-two".