862542 has 16 divisors (see below), whose sum is σ = 1916880. Its totient is φ = 287496.

The previous prime is 862541. The next prime is 862553. The reversal of 862542 is 245268.

862542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 862542.

It is not an unprimeable number, because it can be changed into a prime (862541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7933 + ... + 8040.

It is an arithmetic number, because the mean of its divisors is an integer number (119805).

2⁸⁶²⁵⁴² is an apocalyptic number.

862542 is an abundant number, since it is smaller than the sum of its proper divisors (1054338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

862542 is a wasteful number, since it uses less digits than its factorization.

862542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15984 (or 15978 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 862542 is about 928.7313928150. The cubic root of 862542 is about 95.1904581685.

It can be divided in two parts, 86 and 2542, that added together give a triangular number (2628 = T₇₂).

The spelling of 862542 in words is "eight hundred sixty-two thousand, five hundred forty-two".