4390140 has 48 divisors (see below), whose sum is σ = 12942720. Its totient is φ = 1108800.

The previous prime is 4390117. The next prime is 4390151. The reversal of 4390140 is 410934.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 786 + ... + 3065.

It is an arithmetic number, because the mean of its divisors is an integer number (269640).

Almost surely, 2^4390140 is an apocalyptic number.

It is an amenable number.

4390140 is an abundant number, since it is smaller than the sum of its proper divisors (8552580).

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

4390140 is a wasteful number, since it uses less digits than its factorization.

4390140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3880 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 4390140 is about 2095.2660928865. The cubic root of 4390140 is about 163.7417609436.

The spelling of 4390140 in words is "four million, three hundred ninety thousand, one hundred forty".