897156192 has 24 divisors (see below), whose sum is σ = 2355035256. Its totient is φ = 299052032.

The previous prime is 897156191. The next prime is 897156199. The reversal of 897156192 is 291651798.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (897156191) 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 3 ways as a sum of consecutive naturals, for example, 4672593 + ... + 4672784.

It is an arithmetic number, because the mean of its divisors is an integer number (98126469).

Almost surely, 2^897156192 is an apocalyptic number.

It is an amenable number.

897156192 is an abundant number, since it is smaller than the sum of its proper divisors (1457879064).

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

897156192 is a wasteful number, since it uses less digits than its factorization.

897156192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345390 (or 9345382 counting only the distinct ones).

The product of its digits is 272160, while the sum is 48.

The square root of 897156192 is about 29952.5656997861. The cubic root of 897156192 is about 964.4713981501.

The spelling of 897156192 in words is "eight hundred ninety-seven million, one hundred fifty-six thousand, one hundred ninety-two".