8958981 has 8 divisors (see below), whose sum is σ = 12025024. Its totient is φ = 5932800.

The previous prime is 8958953. The next prime is 8958997. The reversal of 8958981 is 1898598.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8958981 - 2⁷ = 8958853 is a prime.

It is a super-2 number, since 2×8958981² = 160526681116722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8958981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8959981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9436 + ... + 10341.

It is an arithmetic number, because the mean of its divisors is an integer number (1503128).

Almost surely, 2^8958981 is an apocalyptic number.

It is an amenable number.

8958981 is a deficient number, since it is larger than the sum of its proper divisors (3066043).

8958981 is a wasteful number, since it uses less digits than its factorization.

8958981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19931.

The product of its digits is 207360, while the sum is 48.

The square root of 8958981 is about 2993.1556925760. The cubic root of 8958981 is about 207.6918900382.

The spelling of 8958981 in words is "eight million, nine hundred fifty-eight thousand, nine hundred eighty-one".