4004168 has 16 divisors (see below), whose sum is σ = 8580480. Its totient is φ = 1716048.

The previous prime is 4004141. The next prime is 4004179. The reversal of 4004168 is 8614004.

It is a happy number.

It is a super-2 number, since 2×4004168² = 32066722744448, 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, 35696 + ... + 35807.

It is an arithmetic number, because the mean of its divisors is an integer number (536280).

Almost surely, 2^4004168 is an apocalyptic number.

It is an amenable number.

4004168 is an abundant number, since it is smaller than the sum of its proper divisors (4576312).

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

4004168 is a wasteful number, since it uses less digits than its factorization.

4004168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71516 (or 71512 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4004168 is about 2001.0417287003. The cubic root of 4004168 is about 158.7952217873.

The spelling of 4004168 in words is "four million, four thousand, one hundred sixty-eight".