357842 has 4 divisors (see below), whose sum is σ = 536766. Its totient is φ = 178920.

The previous prime is 357839. The next prime is 357859. The reversal of 357842 is 248753.

It is a happy number.

357842 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 261121 + 96721 = 511^2 + 311^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 357842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89459 + ... + 89462.

2³⁵⁷⁸⁴² is an apocalyptic number.

357842 is a deficient number, since it is larger than the sum of its proper divisors (178924).

357842 is a wasteful number, since it uses less digits than its factorization.

357842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178923.

The product of its digits is 6720, while the sum is 29.

The square root of 357842 is about 598.1989635564. The cubic root of 357842 is about 70.9954371200.

The spelling of 357842 in words is "three hundred fifty-seven thousand, eight hundred forty-two".