895721172 has 12 divisors (see below), whose sum is σ = 2090016096. Its totient is φ = 298573720.

The previous prime is 895721153. The next prime is 895721209. The reversal of 895721172 is 271127598.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37321704 + ... + 37321727.

It is an arithmetic number, because the mean of its divisors is an integer number (174168008).

Almost surely, 2^895721172 is an apocalyptic number.

It is an amenable number.

895721172 is an abundant number, since it is smaller than the sum of its proper divisors (1194294924).

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

895721172 is a wasteful number, since it uses less digits than its factorization.

895721172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74643438 (or 74643436 counting only the distinct ones).

The product of its digits is 70560, while the sum is 42.

The square root of 895721172 is about 29928.6012369439. The cubic root of 895721172 is about 963.9568930409.

The spelling of 895721172 in words is "eight hundred ninety-five million, seven hundred twenty-one thousand, one hundred seventy-two".