237428 has 6 divisors (see below), whose sum is σ = 415506. Its totient is φ = 118712.

The previous prime is 237409. The next prime is 237467. The reversal of 237428 is 824732.

It can be written as a sum of positive squares in only one way, i.e., 204304 + 33124 = 452^2 + 182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 237397 and 237406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29675 + ... + 29682.

It is an arithmetic number, because the mean of its divisors is an integer number (69251).

2²³⁷⁴²⁸ is an apocalyptic number.

It is an amenable number.

237428 is a deficient number, since it is larger than the sum of its proper divisors (178078).

237428 is a wasteful number, since it uses less digits than its factorization.

237428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59361 (or 59359 counting only the distinct ones).

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

The square root of 237428 is about 487.2658411996. The cubic root of 237428 is about 61.9218578499.

The spelling of 237428 in words is "two hundred thirty-seven thousand, four hundred twenty-eight".