397152106 has 16 divisors (see below), whose sum is σ = 642534984. Its totient is φ = 183020544.

The previous prime is 397152097. The next prime is 397152127. The reversal of 397152106 is 601251793.

It can be written as a sum of positive squares in 4 ways, for example, as 99900025 + 297252081 = 9995^2 + 17241^2 .

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, 6150 + ... + 28846.

Almost surely, 2^397152106 is an apocalyptic number.

397152106 is a deficient number, since it is larger than the sum of its proper divisors (245382878).

397152106 is a wasteful number, since it uses less digits than its factorization.

397152106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23385.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 397152106 is about 19928.6754702865. The cubic root of 397152106 is about 735.0535114603.

The spelling of 397152106 in words is "three hundred ninety-seven million, one hundred fifty-two thousand, one hundred six".