8897872 has 20 divisors (see below), whose sum is σ = 17989920. Its totient is φ = 4255328.

The previous prime is 8897869. The next prime is 8897881. The reversal of 8897872 is 2787988.

It is a super-2 number, since 2×8897872² = 158344252256768, which contains 22 as substring.

It is an Ulam number.

It is a pancake number, because a pancake can be divided into 8897872 parts by 4218 straight cuts.

It is a congruent number.

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, 11722 + ... + 12457.

It is an arithmetic number, because the mean of its divisors is an integer number (899496).

Almost surely, 2^8897872 is an apocalyptic number.

It is an amenable number.

8897872 is an abundant number, since it is smaller than the sum of its proper divisors (9092048).

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

8897872 is a wasteful number, since it uses less digits than its factorization.

8897872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24210 (or 24204 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 8897872 is about 2982.9301031033. The cubic root of 8897872 is about 207.2185917735.

The spelling of 8897872 in words is "eight million, eight hundred ninety-seven thousand, eight hundred seventy-two".