237420 has 36 divisors (see below), whose sum is σ = 720720. Its totient is φ = 63264.

The previous prime is 237409. The next prime is 237467. The reversal of 237420 is 24732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 237393 and 237402.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 237420.

It is an unprimeable number.

237420 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 11 ways as a sum of consecutive naturals, for example, 480 + ... + 839.

It is an arithmetic number, because the mean of its divisors is an integer number (20020).

2²³⁷⁴²⁰ is an apocalyptic number.

237420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

237420 is an abundant number, since it is smaller than the sum of its proper divisors (483300).

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

237420 is a wasteful number, since it uses less digits than its factorization.

237420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 237420 is about 487.2576320593. The cubic root of 237420 is about 61.9211623683.

The spelling of 237420 in words is "two hundred thirty-seven thousand, four hundred twenty".