8978408 has 16 divisors (see below), whose sum is σ = 16869060. Its totient is φ = 4480000.

The previous prime is 8978381. The next prime is 8978449. The reversal of 8978408 is 8048798.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6360484 + 2617924 = 2522^2 + 1618^2 .

It is a super-2 number, since 2×8978408² = 161223620428928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4808 + ... + 6408.

Almost surely, 2^8978408 is an apocalyptic number.

It is an amenable number.

8978408 is a deficient number, since it is larger than the sum of its proper divisors (7890652).

8978408 is a wasteful number, since it uses less digits than its factorization.

8978408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2308 (or 2304 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The square root of 8978408 is about 2996.3991723400. The cubic root of 8978408 is about 207.8419040271.

The spelling of 8978408 in words is "eight million, nine hundred seventy-eight thousand, four hundred eight".