840372 has 24 divisors (see below), whose sum is σ = 2112096. Its totient is φ = 258528.

The previous prime is 840353. The next prime is 840439. The reversal of 840372 is 273048.

840372 is nontrivially palindromic in base 11.

840372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2538 + ... + 2849.

It is an arithmetic number, because the mean of its divisors is an integer number (88004).

2⁸⁴⁰³⁷² is an apocalyptic number.

It is an amenable number.

840372 is an abundant number, since it is smaller than the sum of its proper divisors (1271724).

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

840372 is a wasteful number, since it uses less digits than its factorization.

840372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407 (or 5405 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 840372 is about 916.7180591654. The cubic root of 840372 is about 94.3678059806.

The spelling of 840372 in words is "eight hundred forty thousand, three hundred seventy-two".