853742 has 4 divisors (see below), whose sum is σ = 1280616. Its totient is φ = 426870.

The previous prime is 853739. The next prime is 853759. The reversal of 853742 is 247358.

It is a happy number.

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

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 853742.

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, 213434 + ... + 213437.

It is an arithmetic number, because the mean of its divisors is an integer number (320154).

2⁸⁵³⁷⁴² is an apocalyptic number.

853742 is a deficient number, since it is larger than the sum of its proper divisors (426874).

853742 is a wasteful number, since it uses less digits than its factorization.

853742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426873.

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

The square root of 853742 is about 923.9816015484. The cubic root of 853742 is about 94.8656272005.

The spelling of 853742 in words is "eight hundred fifty-three thousand, seven hundred forty-two".