8971408 has 20 divisors (see below), whose sum is σ = 17622508. Its totient is φ = 4423680.

The previous prime is 8971399. The next prime is 8971421. The reversal of 8971408 is 8041798.

It can be written as a sum of positive squares in 2 ways, for example, as 5702544 + 3268864 = 2388^2 + 1808^2 .

It is a congruent number.

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, 2673 + ... + 5008.

Almost surely, 2^8971408 is an apocalyptic number.

It is an amenable number.

8971408 is a deficient number, since it is larger than the sum of its proper divisors (8651100).

8971408 is a wasteful number, since it uses less digits than its factorization.

8971408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762 (or 7756 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 8971408 is about 2995.2308759092. The cubic root of 8971408 is about 207.7878754586.

The spelling of 8971408 in words is "eight million, nine hundred seventy-one thousand, four hundred eight".