397052270 has 16 divisors (see below), whose sum is σ = 716567040. Its totient is φ = 158404704.

The previous prime is 397052269. The next prime is 397052317. The reversal of 397052270 is 72250793.

It is a super-2 number, since 2×397052270² = 315301010224305800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 397052270.

It is a congruent number.

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, 48005 + ... + 55664.

It is an arithmetic number, because the mean of its divisors is an integer number (44785440).

Almost surely, 2^397052270 is an apocalyptic number.

397052270 is a deficient number, since it is larger than the sum of its proper divisors (319514770).

397052270 is a wasteful number, since it uses less digits than its factorization.

397052270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104059.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 397052270 is about 19926.1704800496. The cubic root of 397052270 is about 734.9919137741.

The spelling of 397052270 in words is "three hundred ninety-seven million, fifty-two thousand, two hundred seventy".