3925420 has 12 divisors (see below), whose sum is σ = 8243424. Its totient is φ = 1570160.

The previous prime is 3925403. The next prime is 3925421. The reversal of 3925420 is 245293.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3925421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98116 + ... + 98155.

It is an arithmetic number, because the mean of its divisors is an integer number (686952).

Almost surely, 2^3925420 is an apocalyptic number.

It is an amenable number.

3925420 is an abundant number, since it is smaller than the sum of its proper divisors (4318004).

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

3925420 is a wasteful number, since it uses less digits than its factorization.

3925420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196280 (or 196278 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3925420 is about 1981.2672712181. The cubic root of 3925420 is about 157.7473395991.

The spelling of 3925420 in words is "three million, nine hundred twenty-five thousand, four hundred twenty".