8997628 has 12 divisors (see below), whose sum is σ = 15829632. Its totient is φ = 4474880.

The previous prime is 8997613. The next prime is 8997647. The reversal of 8997628 is 8267998.

It is a happy number.

8997628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5125 + ... + 6652.

It is an arithmetic number, because the mean of its divisors is an integer number (1319136).

Almost surely, 2^8997628 is an apocalyptic number.

It is an amenable number.

8997628 is a deficient number, since it is larger than the sum of its proper divisors (6832004).

8997628 is a wasteful number, since it uses less digits than its factorization.

8997628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11972 (or 11970 counting only the distinct ones).

The product of its digits is 435456, while the sum is 49.

The square root of 8997628 is about 2999.6046406152. The cubic root of 8997628 is about 207.9901067780.

The spelling of 8997628 in words is "eight million, nine hundred ninety-seven thousand, six hundred twenty-eight".