8981137 has 8 divisors (see below), whose sum is σ = 9859680. Its totient is φ = 8112960.

The previous prime is 8981123. The next prime is 8981143. The reversal of 8981137 is 7311898.

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

It is a cyclic number.

It is not a de Polignac number, because 8981137 - 2¹⁵ = 8948369 is a prime.

It is an Ulam number.

It is a Duffinian number.

8981137 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8981096 and 8981105.

It is not an unprimeable number, because it can be changed into a prime (8981107) 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, 712 + ... + 4297.

It is an arithmetic number, because the mean of its divisors is an integer number (1232460).

Almost surely, 2^8981137 is an apocalyptic number.

It is an amenable number.

8981137 is a deficient number, since it is larger than the sum of its proper divisors (878543).

8981137 is a wasteful number, since it uses less digits than its factorization.

8981137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5183.

The product of its digits is 12096, while the sum is 37.

The square root of 8981137 is about 2996.8545176568. The cubic root of 8981137 is about 207.8629598423.

The spelling of 8981137 in words is "eight million, nine hundred eighty-one thousand, one hundred thirty-seven".