396231197 has 16 divisors (see below), whose sum is σ = 421217280. Its totient is φ = 372250032.

The previous prime is 396231193. The next prime is 396231229. The reversal of 396231197 is 791132693.

It is a cyclic number.

It is not a de Polignac number, because 396231197 - 2² = 396231193 is a prime.

It is a super-2 number, since 2×396231197² = 313998322952105618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396231193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117578 + ... + 120900.

It is an arithmetic number, because the mean of its divisors is an integer number (26326080).

Almost surely, 2^396231197 is an apocalyptic number.

It is an amenable number.

396231197 is a deficient number, since it is larger than the sum of its proper divisors (24986083).

396231197 is a wasteful number, since it uses less digits than its factorization.

396231197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472.

The product of its digits is 61236, while the sum is 41.

The square root of 396231197 is about 19905.5569376996. The cubic root of 396231197 is about 734.4849289056.

The spelling of 396231197 in words is "three hundred ninety-six million, two hundred thirty-one thousand, one hundred ninety-seven".