406072852 has 24 divisors (see below), whose sum is σ = 731015712. Its totient is φ = 197292000.

The previous prime is 406072841. The next prime is 406072867. The reversal of 406072852 is 258270604.

It is a super-2 number, since 2×406072852² = 329790322262827808, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10227 + ... + 30277.

It is an arithmetic number, because the mean of its divisors is an integer number (30458988).

Almost surely, 2^406072852 is an apocalyptic number.

It is an amenable number.

406072852 is a deficient number, since it is larger than the sum of its proper divisors (324942860).

406072852 is a wasteful number, since it uses less digits than its factorization.

406072852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199 (or 20197 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 406072852 is about 20151.2493905465. The cubic root of 406072852 is about 740.5163501166.

The spelling of 406072852 in words is "four hundred six million, seventy-two thousand, eight hundred fifty-two".