8978530 has 32 divisors (see below), whose sum is σ = 18206208. Its totient is φ = 3158400.

The previous prime is 8978503. The next prime is 8978539. The reversal of 8978530 is 358798.

8978530 is nontrivially palindromic in base 4.

It is a super-2 number, since 2×8978530² = 161228001921800, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8978539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094 + ... + 4726.

It is an arithmetic number, because the mean of its divisors is an integer number (568944).

Almost surely, 2^8978530 is an apocalyptic number.

8978530 is an abundant number, since it is smaller than the sum of its proper divisors (9227678).

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

8978530 is a wasteful number, since it uses less digits than its factorization.

8978530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 8978530 is about 2996.4195300391. The cubic root of 8978530 is about 207.8428454188.

The spelling of 8978530 in words is "eight million, nine hundred seventy-eight thousand, five hundred thirty".