805949964 has 36 divisors (see below), whose sum is σ = 2042616576. Its totient is φ = 267943968.

The previous prime is 805949927. The next prime is 805950007. The reversal of 805949964 is 469949508.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 805949964.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15439 + ... + 43014.

Almost surely, 2^805949964 is an apocalyptic number.

It is an amenable number.

805949964 is an abundant number, since it is smaller than the sum of its proper divisors (1236666612).

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

805949964 is a wasteful number, since it uses less digits than its factorization.

805949964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58846 (or 58841 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The square root of 805949964 is about 28389.2578980149. The cubic root of 805949964 is about 930.6135250999.

The spelling of 805949964 in words is "eight hundred five million, nine hundred forty-nine thousand, nine hundred sixty-four".