357042 has 16 divisors (see below), whose sum is σ = 816192. Its totient is φ = 102000.

The previous prime is 357031. The next prime is 357047. The reversal of 357042 is 240753.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (357047) by changing a digit.

357042 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 7 ways as a sum of consecutive naturals, for example, 4209 + ... + 4292.

It is an arithmetic number, because the mean of its divisors is an integer number (51012).

2³⁵⁷⁰⁴² is an apocalyptic number.

357042 is an abundant number, since it is smaller than the sum of its proper divisors (459150).

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

357042 is a wasteful number, since it uses less digits than its factorization.

357042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8513.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 357042 is about 597.5299155691. The cubic root of 357042 is about 70.9424912878.

Adding to 357042 its reverse (240753), we get a palindrome (597795).

The spelling of 357042 in words is "three hundred fifty-seven thousand, forty-two".