397348970 has 16 divisors (see below), whose sum is σ = 716204160. Its totient is φ = 158722704.

The previous prime is 397348867. The next prime is 397348993. The reversal of 397348970 is 79843793.

It is a Curzon 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, 19310 + ... + 34169.

It is an arithmetic number, because the mean of its divisors is an integer number (44762760).

Almost surely, 2^397348970 is an apocalyptic number.

397348970 is a deficient number, since it is larger than the sum of its proper divisors (318855190).

397348970 is a wasteful number, since it uses less digits than its factorization.

397348970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54229.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 397348970 is about 19933.6140727165. The cubic root of 397348970 is about 735.1749440879.

The spelling of 397348970 in words is "three hundred ninety-seven million, three hundred forty-eight thousand, nine hundred seventy".