397941210 has 48 divisors (see below), whose sum is σ = 1036478664. Its totient is φ = 105929856.

The previous prime is 397941197. The next prime is 397941211. The reversal of 397941210 is 12149793.

It can be written as a sum of positive squares in 4 ways, for example, as 252714609 + 145226601 = 15897^2 + 12051^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (397941211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51564 + ... + 58776.

Almost surely, 2^397941210 is an apocalyptic number.

397941210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397941210 is an abundant number, since it is smaller than the sum of its proper divisors (638537454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397941210 is a wasteful number, since it uses less digits than its factorization.

397941210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7839 (or 7836 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 397941210 is about 19948.4638506327. The cubic root of 397941210 is about 735.5400168599.

The spelling of 397941210 in words is "three hundred ninety-seven million, nine hundred forty-one thousand, two hundred ten".