406361252 has 12 divisors (see below), whose sum is σ = 775780656. Its totient is φ = 184709640.

The previous prime is 406361243. The next prime is 406361281. The reversal of 406361252 is 252163604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617698 + ... + 4617785.

It is an arithmetic number, because the mean of its divisors is an integer number (64648388).

Almost surely, 2^406361252 is an apocalyptic number.

It is an amenable number.

406361252 is a deficient number, since it is larger than the sum of its proper divisors (369419404).

406361252 is a wasteful number, since it uses less digits than its factorization.

406361252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9235498 (or 9235496 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 406361252 is about 20158.4040042857. The cubic root of 406361252 is about 740.6916178263.

The spelling of 406361252 in words is "four hundred six million, three hundred sixty-one thousand, two hundred fifty-two".