373428 has 72 divisors (see below), whose sum is σ = 1100736. Its totient is φ = 105600.

The previous prime is 373393. The next prime is 373447. The reversal of 373428 is 824373.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

373428 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9088 + ... + 9128.

It is an arithmetic number, because the mean of its divisors is an integer number (15288).

2³⁷³⁴²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 373428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (550368).

373428 is an abundant number, since it is smaller than the sum of its proper divisors (727308).

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

373428 is a wasteful number, since it uses less digits than its factorization.

373428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 80 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 373428 is about 611.0875551016. The cubic root of 373428 is about 72.0115722140.

The spelling of 373428 in words is "three hundred seventy-three thousand, four hundred twenty-eight".