806976644 has 12 divisors (see below), whose sum is σ = 1412439504. Its totient is φ = 403422504.

The previous prime is 806976619. The next prime is 806976647. The reversal of 806976644 is 446679608.

It is a super-2 number, since 2×806976644² = 1302422607923005472, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 806976592 and 806976601.

It is not an unprimeable number, because it can be changed into a prime (806976647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20207 + ... + 44969.

It is an arithmetic number, because the mean of its divisors is an integer number (117703292).

Almost surely, 2^806976644 is an apocalyptic number.

It is an amenable number.

806976644 is a deficient number, since it is larger than the sum of its proper divisors (605462860).

806976644 is a wasteful number, since it uses less digits than its factorization.

806976644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32914 (or 32912 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 50.

The square root of 806976644 is about 28407.3343346397. The cubic root of 806976644 is about 931.0085193793.

The spelling of 806976644 in words is "eight hundred six million, nine hundred seventy-six thousand, six hundred forty-four".