3904943 has 8 divisors (see below), whose sum is σ = 4583712. Its totient is φ = 3256416.

The previous prime is 3904933. The next prime is 3904973. The reversal of 3904943 is 3494093.

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

It is a cyclic number.

It is not a de Polignac number, because 3904943 - 2¹² = 3900847 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3904903) 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, 7280 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (572964).

Almost surely, 2^3904943 is an apocalyptic number.

3904943 is a deficient number, since it is larger than the sum of its proper divisors (678769).

3904943 is a wasteful number, since it uses less digits than its factorization.

3904943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15121.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 3904943 is about 1976.0928621904. The cubic root of 3904943 is about 157.4725642981.

The spelling of 3904943 in words is "three million, nine hundred four thousand, nine hundred forty-three".