4004046 has 16 divisors (see below), whose sum is σ = 8898000. Its totient is φ = 1334664.

The previous prime is 4004023. The next prime is 4004057. The reversal of 4004046 is 6404004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37021 + ... + 37128.

It is an arithmetic number, because the mean of its divisors is an integer number (556125).

Almost surely, 2^4004046 is an apocalyptic number.

4004046 is an abundant number, since it is smaller than the sum of its proper divisors (4893954).

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

4004046 is a wasteful number, since it uses less digits than its factorization.

4004046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74160 (or 74154 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4004046 is about 2001.0112443462. The cubic root of 4004046 is about 158.7936090333.

The spelling of 4004046 in words is "four million, four thousand, forty-six", and thus it is an eban number.