5657842 has 8 divisors (see below), whose sum is σ = 8779500. Its totient is φ = 2731344.

The previous prime is 5657837. The next prime is 5657851. The reversal of 5657842 is 2487565.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5574321 + 83521 = 2361^2 + 289^2 .

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

It is a super-2 number, since 2×5657842² = 64022352193928, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48717 + ... + 48832.

Almost surely, 2^5657842 is an apocalyptic number.

5657842 is a deficient number, since it is larger than the sum of its proper divisors (3121658).

5657842 is a wasteful number, since it uses less digits than its factorization.

5657842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97580.

The product of its digits is 67200, while the sum is 37.

The square root of 5657842 is about 2378.6218699070. The cubic root of 5657842 is about 178.1901137550.

The spelling of 5657842 in words is "five million, six hundred fifty-seven thousand, eight hundred forty-two".