3904043 has 16 divisors (see below), whose sum is σ = 4790016. Its totient is φ = 3131040.

The previous prime is 3904039. The next prime is 3904051. The reversal of 3904043 is 3404093.

It is not a de Polignac number, because 3904043 - 2² = 3904039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (3904003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2696 + ... + 3882.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

Almost surely, 2^3904043 is an apocalyptic number.

3904043 is a deficient number, since it is larger than the sum of its proper divisors (885973).

3904043 is a wasteful number, since it uses less digits than its factorization.

3904043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 3904043 is about 1975.8651269760. The cubic root of 3904043 is about 157.4604654278.

The spelling of 3904043 in words is "three million, nine hundred four thousand, forty-three".