805961964 has 12 divisors (see below), whose sum is σ = 1880577944. Its totient is φ = 268653984.

The previous prime is 805961953. The next prime is 805961971. The reversal of 805961964 is 469169508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

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, 33581737 + ... + 33581760.

Almost surely, 2^805961964 is an apocalyptic number.

It is an amenable number.

805961964 is an abundant number, since it is smaller than the sum of its proper divisors (1074615980).

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

805961964 is a wasteful number, since it uses less digits than its factorization.

805961964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67163504 (or 67163502 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 805961964 is about 28389.4692447745. The cubic root of 805961964 is about 930.6181437931.

The spelling of 805961964 in words is "eight hundred five million, nine hundred sixty-one thousand, nine hundred sixty-four".