862042 has 4 divisors (see below), whose sum is σ = 1293066. Its totient is φ = 431020.

The previous prime is 862033. The next prime is 862061. The reversal of 862042 is 240268.

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., 772641 + 89401 = 879^2 + 299^2 .

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, 215509 + ... + 215512.

2⁸⁶²⁰⁴² is an apocalyptic number.

862042 is a deficient number, since it is larger than the sum of its proper divisors (431024).

862042 is a wasteful number, since it uses less digits than its factorization.

862042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431023.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 862042 is about 928.4621693963. The cubic root of 862042 is about 95.1720612175.

The spelling of 862042 in words is "eight hundred sixty-two thousand, forty-two".