3924140 has 24 divisors (see below), whose sum is σ = 8990352. Its totient is φ = 1426880.

The previous prime is 3924139. The next prime is 3924163. The reversal of 3924140 is 414293.

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, 8699 + ... + 9138.

It is an arithmetic number, because the mean of its divisors is an integer number (374598).

Almost surely, 2^3924140 is an apocalyptic number.

It is an amenable number.

3924140 is an abundant number, since it is smaller than the sum of its proper divisors (5066212).

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

3924140 is a wasteful number, since it uses less digits than its factorization.

3924140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17857 (or 17855 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 3924140 is about 1980.9442193055. The cubic root of 3924140 is about 157.7301916638.

The spelling of 3924140 in words is "three million, nine hundred twenty-four thousand, one hundred forty".