406452231 has 12 divisors (see below), whose sum is σ = 593695440. Its totient is φ = 267923040.

The previous prime is 406452227. The next prime is 406452307. The reversal of 406452231 is 132254604.

It is not a de Polignac number, because 406452231 - 2² = 406452227 is a prime.

It is a super-2 number, since 2×406452231² = 330406832169754722, which contains 22 as substring.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 406452195 and 406452204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406402231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252915 + ... + 254516.

It is an arithmetic number, because the mean of its divisors is an integer number (49474620).

Almost surely, 2^406452231 is an apocalyptic number.

406452231 is a deficient number, since it is larger than the sum of its proper divisors (187243209).

406452231 is a wasteful number, since it uses less digits than its factorization.

406452231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507526 (or 507523 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 406452231 is about 20160.6604802521. The cubic root of 406452231 is about 740.7468907753.

The spelling of 406452231 in words is "four hundred six million, four hundred fifty-two thousand, two hundred thirty-one".