3913404 has 48 divisors (see below), whose sum is σ = 10402560. Its totient is φ = 1133440.

The previous prime is 3913397. The next prime is 3913421. The reversal of 3913404 is 4043193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392 + ... + 3680.

It is an arithmetic number, because the mean of its divisors is an integer number (216720).

Almost surely, 2^3913404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3913404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5201280).

3913404 is an abundant number, since it is smaller than the sum of its proper divisors (6489156).

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

3913404 is a wasteful number, since it uses less digits than its factorization.

3913404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330 (or 1328 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3913404 is about 1978.2325444699. The cubic root of 3913404 is about 157.5862163386.

Adding to 3913404 its reverse (4043193), we get a palindrome (7956597).

The spelling of 3913404 in words is "three million, nine hundred thirteen thousand, four hundred four".