802271646 has 24 divisors (see below), whose sum is σ = 1896278904. Its totient is φ = 243112560.

The previous prime is 802271621. The next prime is 802271651. The reversal of 802271646 is 646172208.

802271646 is a `hidden beast` number, since 8 + 0 + 2 + 2 + 7 + 1 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 802271646.

It is a congruent number.

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, 2025741 + ... + 2026136.

It is an arithmetic number, because the mean of its divisors is an integer number (79011621).

Almost surely, 2^802271646 is an apocalyptic number.

802271646 is an abundant number, since it is smaller than the sum of its proper divisors (1094007258).

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

802271646 is a wasteful number, since it uses less digits than its factorization.

802271646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4051896 (or 4051893 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 802271646 is about 28324.4001878239. The cubic root of 802271646 is about 929.1956069125.

The spelling of 802271646 in words is "eight hundred two million, two hundred seventy-one thousand, six hundred forty-six".