397052210 has 16 divisors (see below), whose sum is σ = 721771992. Its totient is φ = 157248000.

The previous prime is 397052209. The next prime is 397052213. The reversal of 397052210 is 12250793.

It can be written as a sum of positive squares in 4 ways, for example, as 374461201 + 22591009 = 19351^2 + 4753^2 .

It is not an unprimeable number, because it can be changed into a prime (397052213) 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, 195551 + ... + 197570.

Almost surely, 2^397052210 is an apocalyptic number.

397052210 is a deficient number, since it is larger than the sum of its proper divisors (324719782).

397052210 is a wasteful number, since it uses less digits than its factorization.

397052210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393229.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 397052210 is about 19926.1689744918. The cubic root of 397052210 is about 734.9918767517.

The spelling of 397052210 in words is "three hundred ninety-seven million, fifty-two thousand, two hundred ten".