397914130 has 16 divisors (see below), whose sum is σ = 716689944. Its totient is φ = 159066880.

The previous prime is 397914103. The next prime is 397914137. The reversal of 397914130 is 31419793.

It can be written as a sum of positive squares in 4 ways, for example, as 339406929 + 58507201 = 18423^2 + 7649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 397914130.

It is not an unprimeable number, because it can be changed into a prime (397914137) 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, 5850 + ... + 28810.

Almost surely, 2^397914130 is an apocalyptic number.

397914130 is a deficient number, since it is larger than the sum of its proper divisors (318775814).

397914130 is a wasteful number, since it uses less digits than its factorization.

397914130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24701.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 397914130 is about 19947.7850900795. The cubic root of 397914130 is about 735.5233319200.

The spelling of 397914130 in words is "three hundred ninety-seven million, nine hundred fourteen thousand, one hundred thirty".