505902992 has 20 divisors (see below), whose sum is σ = 1120214016. Its totient is φ = 216815520.

The previous prime is 505902989. The next prime is 505903003. The reversal of 505902992 is 299209505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2258384 + ... + 2258607.

Almost surely, 2^505902992 is an apocalyptic number.

It is an amenable number.

505902992 is an abundant number, since it is smaller than the sum of its proper divisors (614311024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505902992 is a wasteful number, since it uses less digits than its factorization.

505902992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517006 (or 4517000 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 505902992 is about 22492.2873892363. The cubic root of 505902992 is about 796.8117859931.

The spelling of 505902992 in words is "five hundred five million, nine hundred two thousand, nine hundred ninety-two".