406232697 has 16 divisors (see below), whose sum is σ = 617621760. Its totient is φ = 235283712.

The previous prime is 406232639. The next prime is 406232699. The reversal of 406232697 is 796232604.

It is not a de Polignac number, because 406232697 - 2¹⁰ = 406231673 is a prime.

It is a super-2 number, since 2×406232697² = 330050008223787618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (406232699) 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, 305697 + ... + 307022.

It is an arithmetic number, because the mean of its divisors is an integer number (38601360).

Almost surely, 2^406232697 is an apocalyptic number.

It is an amenable number.

406232697 is a deficient number, since it is larger than the sum of its proper divisors (211389063).

406232697 is a wasteful number, since it uses less digits than its factorization.

406232697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612752.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 406232697 is about 20155.2151315733. The cubic root of 406232697 is about 740.6135020665.

The spelling of 406232697 in words is "four hundred six million, two hundred thirty-two thousand, six hundred ninety-seven".