897828372 has 54 divisors (see below), whose sum is σ = 2640048138. Its totient is φ = 256521888.

The previous prime is 897828343. The next prime is 897828403. The reversal of 897828372 is 273828798.

It can be written as a sum of positive squares in only one way, i.e., 527804676 + 370023696 = 22974^2 + 19236^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 252723 + ... + 256250.

Almost surely, 2^897828372 is an apocalyptic number.

It is an amenable number.

897828372 is an abundant number, since it is smaller than the sum of its proper divisors (1742219766).

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

897828372 is a wasteful number, since it uses less digits than its factorization.

897828372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508997 (or 508985 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 54.

The square root of 897828372 is about 29963.7843404334. The cubic root of 897828372 is about 964.7122096344.

The spelling of 897828372 in words is "eight hundred ninety-seven million, eight hundred twenty-eight thousand, three hundred seventy-two".