3925438 has 16 divisors (see below), whose sum is σ = 6762240. Its totient is φ = 1690200.

The previous prime is 3925421. The next prime is 3925459. The reversal of 3925438 is 8345293.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4278 + ... + 5113.

It is an arithmetic number, because the mean of its divisors is an integer number (422640).

Almost surely, 2^3925438 is an apocalyptic number.

3925438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3925438 is a deficient number, since it is larger than the sum of its proper divisors (2836802).

3925438 is a wasteful number, since it uses less digits than its factorization.

3925438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9423.

The product of its digits is 25920, while the sum is 34.

The square root of 3925438 is about 1981.2718137600. The cubic root of 3925438 is about 157.7475807154.

The spelling of 3925438 in words is "three million, nine hundred twenty-five thousand, four hundred thirty-eight".