10400008 has 16 divisors (see below), whose sum is σ = 19792080. Its totient is φ = 5122128.

The previous prime is 10399993. The next prime is 10400021. The reversal of 10400008 is 80000401.

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, 9166 + ... + 10237.

It is an arithmetic number, because the mean of its divisors is an integer number (1237005).

Almost surely, 2^10400008 is an apocalyptic number.

It is an amenable number.

10400008 is a deficient number, since it is larger than the sum of its proper divisors (9392072).

10400008 is a wasteful number, since it uses less digits than its factorization.

10400008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19476 (or 19472 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 10400008 is about 3224.9043396665. The cubic root of 10400008 is about 218.2786325811.

Adding to 10400008 its reverse (80000401), we get a palindrome (90400409).

The spelling of 10400008 in words is "ten million, four hundred thousand, eight".