3925404 has 72 divisors (see below), whose sum is σ = 11674208. Its totient is φ = 1088640.

The previous prime is 3925403. The next prime is 3925421. The reversal of 3925404 is 4045293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9114 + ... + 9534.

Almost surely, 2^3925404 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 3925404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5837104).

3925404 is an abundant number, since it is smaller than the sum of its proper divisors (7748804).

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

3925404 is a wasteful number, since it uses less digits than its factorization.

3925404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3925404 is about 1981.2632333943. The cubic root of 3925404 is about 157.7471252730.

The spelling of 3925404 in words is "three million, nine hundred twenty-five thousand, four hundred four".