8997400 has 24 divisors (see below), whose sum is σ = 20919420. Its totient is φ = 3598880.

The previous prime is 8997353. The next prime is 8997407. The reversal of 8997400 is 47998.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8997400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997407) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22294 + ... + 22693.

Almost surely, 2^8997400 is an apocalyptic number.

It is an amenable number.

8997400 is an abundant number, since it is smaller than the sum of its proper divisors (11922020).

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

8997400 is a wasteful number, since it uses less digits than its factorization.

8997400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45003 (or 44994 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 8997400 is about 2999.5666353658. The cubic root of 8997400 is about 207.9883499392.

The spelling of 8997400 in words is "eight million, nine hundred ninety-seven thousand, four hundred".