895784644 has 12 divisors (see below), whose sum is σ = 1585237500. Its totient is φ = 442859648.

The previous prime is 895784639. The next prime is 895784651. The reversal of 895784644 is 446487598.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 244922500 + 650862144 = 15650^2 + 25512^2 .

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, 1257769 + ... + 1258480.

It is an arithmetic number, because the mean of its divisors is an integer number (132103125).

Almost surely, 2^895784644 is an apocalyptic number.

It is an amenable number.

895784644 is a deficient number, since it is larger than the sum of its proper divisors (689452856).

895784644 is a wasteful number, since it uses less digits than its factorization.

895784644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2516342 (or 2516340 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The square root of 895784644 is about 29929.6616085114. The cubic root of 895784644 is about 963.9796615946.

The spelling of 895784644 in words is "eight hundred ninety-five million, seven hundred eighty-four thousand, six hundred forty-four".