957842 has 8 divisors (see below), whose sum is σ = 1471932. Its totient is φ = 467200.

The previous prime is 957823. The next prime is 957851. The reversal of 957842 is 248759.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 72361 = 941^2 + 269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×957842² = 1834922593928, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 957842.

It is an unprimeable number.

957842 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 5759 + ... + 5922.

2⁹⁵⁷⁸⁴² is an apocalyptic number.

957842 is a deficient number, since it is larger than the sum of its proper divisors (514090).

957842 is a wasteful number, since it uses less digits than its factorization.

957842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11724.

The product of its digits is 20160, while the sum is 35.

The square root of 957842 is about 978.6940277737. The cubic root of 957842 is about 98.5745096605.

The spelling of 957842 in words is "nine hundred fifty-seven thousand, eight hundred forty-two".