3924420 has 24 divisors (see below), whose sum is σ = 10988544. Its totient is φ = 1046496.

The previous prime is 3924413. The next prime is 3924443. The reversal of 3924420 is 244293.

It is a happy 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, 32644 + ... + 32763.

It is an arithmetic number, because the mean of its divisors is an integer number (457856).

Almost surely, 2^3924420 is an apocalyptic number.

3924420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3924420 is an abundant number, since it is smaller than the sum of its proper divisors (7064124).

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

3924420 is a wasteful number, since it uses less digits than its factorization.

3924420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65419 (or 65417 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 3924420 is about 1981.0148914130. The cubic root of 3924420 is about 157.7339430932.

The spelling of 3924420 in words is "three million, nine hundred twenty-four thousand, four hundred twenty".