18476008 has 32 divisors (see below), whose sum is σ = 37202760. Its totient is φ = 8570880.

The previous prime is 18475997. The next prime is 18476009. The reversal of 18476008 is 80067481.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12802084 + 5673924 = 3578^2 + 2382^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (18476009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8998 + ... + 10858.

Almost surely, 2^18476008 is an apocalyptic number.

18476008 is the 2482-nd octagonal number.

It is an amenable number.

18476008 is an abundant number, since it is smaller than the sum of its proper divisors (18726752).

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

18476008 is a wasteful number, since it uses less digits than its factorization.

18476008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 18476008 is about 4298.3727153424. The cubic root of 18476008 is about 264.3642431636.

The spelling of 18476008 in words is "eighteen million, four hundred seventy-six thousand, eight".