898165772 has 24 divisors (see below), whose sum is σ = 1830227616. Its totient is φ = 377664768.

The previous prime is 898165771. The next prime is 898165783. The reversal of 898165772 is 277561898.

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

It is not an unprimeable number, because it can be changed into a prime (898165771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301133 + ... + 304100.

It is an arithmetic number, because the mean of its divisors is an integer number (76259484).

Almost surely, 2^898165772 is an apocalyptic number.

It is an amenable number.

898165772 is an abundant number, since it is smaller than the sum of its proper divisors (932061844).

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

898165772 is a wasteful number, since it uses less digits than its factorization.

898165772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605297 (or 605295 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 53.

The square root of 898165772 is about 29969.4139415505. The cubic root of 898165772 is about 964.8330393851.

The spelling of 898165772 in words is "eight hundred ninety-eight million, one hundred sixty-five thousand, seven hundred seventy-two".