805996970 has 32 divisors (see below), whose sum is σ = 1499057280. Its totient is φ = 311846080.

The previous prime is 805996963. The next prime is 805997039. The reversal of 805996970 is 79699508.

It is a super-2 number, since 2×805996970² = 1299262231298361800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

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 15 ways as a sum of consecutive naturals, for example, 26921 + ... + 48339.

It is an arithmetic number, because the mean of its divisors is an integer number (46845540).

Almost surely, 2^805996970 is an apocalyptic number.

805996970 is a deficient number, since it is larger than the sum of its proper divisors (693060310).

805996970 is a wasteful number, since it uses less digits than its factorization.

805996970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21550.

The product of its (nonzero) digits is 1224720, while the sum is 53.

The square root of 805996970 is about 28390.0857695076. The cubic root of 805996970 is about 930.6316170290.

The spelling of 805996970 in words is "eight hundred five million, nine hundred ninety-six thousand, nine hundred seventy".