3903404 has 24 divisors (see below), whose sum is σ = 7302960. Its totient is φ = 1819136.

The previous prime is 3903401. The next prime is 3903413. The reversal of 3903404 is 4043093.

It is a self number, because there is not a number n which added to its sum of digits gives 3903404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3903401) 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, 9107 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (304290).

Almost surely, 2^3903404 is an apocalyptic number.

3903404 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

3903404 is a deficient number, since it is larger than the sum of its proper divisors (3399556).

3903404 is a wasteful number, since it uses less digits than its factorization.

3903404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 575 counting only the distinct ones).

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

The square root of 3903404 is about 1975.7034190384. The cubic root of 3903404 is about 157.4518741010.

Adding to 3903404 its reverse (4043093), we get a palindrome (7946497).

The spelling of 3903404 in words is "three million, nine hundred three thousand, four hundred four".