8978913 has 12 divisors (see below), whose sum is σ = 13057408. Its totient is φ = 5945400.

The previous prime is 8978911. The next prime is 8978923. The reversal of 8978913 is 3198798.

8978913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8978913 - 2¹ = 8978911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8978911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1945 + ... + 4662.

Almost surely, 2^8978913 is an apocalyptic number.

It is an amenable number.

8978913 is a deficient number, since it is larger than the sum of its proper divisors (4078495).

8978913 is a wasteful number, since it uses less digits than its factorization.

8978913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764 (or 6761 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 8978913 is about 2996.4834389664. The cubic root of 8978913 is about 207.8458007162.

The spelling of 8978913 in words is "eight million, nine hundred seventy-eight thousand, nine hundred thirteen".