428372 has 12 divisors (see below), whose sum is σ = 856800. Its totient is φ = 183576.

The previous prime is 428369. The next prime is 428401. The reversal of 428372 is 273824.

428372 is an admirable number.

It is a zygodrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7622 + ... + 7677.

It is an arithmetic number, because the mean of its divisors is an integer number (71400).

2⁴²⁸³⁷² is an apocalyptic number.

It is an amenable number.

428372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428372 is a wasteful number, since it uses less digits than its factorization.

428372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15310 (or 15308 counting only the distinct ones).

The product of its digits is 2688, while the sum is 26.

The square root of 428372 is about 654.5013368970. The cubic root of 428372 is about 75.3830477360.

The spelling of 428372 in words is "four hundred twenty-eight thousand, three hundred seventy-two".