405712996 has 48 divisors (see below), whose sum is σ = 792529920. Its totient is φ = 180466560.

The previous prime is 405712981. The next prime is 405713003. The reversal of 405712996 is 699217504.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626745 + ... + 627391.

It is an arithmetic number, because the mean of its divisors is an integer number (16511040).

Almost surely, 2^405712996 is an apocalyptic number.

It is an amenable number.

405712996 is a deficient number, since it is larger than the sum of its proper divisors (386816924).

405712996 is a wasteful number, since it uses less digits than its factorization.

405712996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 405712996 is about 20142.3185358588. The cubic root of 405712996 is about 740.2975404409.

The spelling of 405712996 in words is "four hundred five million, seven hundred twelve thousand, nine hundred ninety-six".