8998920 has 96 divisors (see below), whose sum is σ = 33433920. Its totient is φ = 2056320.

The previous prime is 8998919. The next prime is 8998921. The reversal of 8998920 is 298998.

It is an interprime number because it is at equal distance from previous prime (8998919) and next prime (8998921).

It is a super-2 number, since 2×8998920² = 161961122332800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (8998921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735 + ... + 4305.

It is an arithmetic number, because the mean of its divisors is an integer number (348270).

Almost surely, 2^8998920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8998920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16716960).

8998920 is an abundant number, since it is smaller than the sum of its proper divisors (24435000).

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

8998920 is a wasteful number, since it uses less digits than its factorization.

8998920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3595 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 8998920 is about 2999.8199945997. The cubic root of 8998920 is about 208.0000616371. Note that the first 4 decimals are identical.

It can be divided in two parts, 89989 and 20, that added together give a palindrome (90009).

The spelling of 8998920 in words is "eight million, nine hundred ninety-eight thousand, nine hundred twenty".