3904023 has 8 divisors (see below), whose sum is σ = 5283328. Its totient is φ = 2563704.

The previous prime is 3904003. The next prime is 3904031. The reversal of 3904023 is 3204093.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3904023 - 2⁹ = 3903511 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 9511 + ... + 9912.

It is an arithmetic number, because the mean of its divisors is an integer number (660416).

Almost surely, 2^3904023 is an apocalyptic number.

3904023 is a deficient number, since it is larger than the sum of its proper divisors (1379305).

3904023 is a wasteful number, since it uses less digits than its factorization.

3904023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3904023 is about 1975.8600658954. The cubic root of 3904023 is about 157.4601965429.

The spelling of 3904023 in words is "three million, nine hundred four thousand, twenty-three".