862040 has 32 divisors (see below), whose sum is σ = 2026080. Its totient is φ = 329472.

The previous prime is 862033. The next prime is 862061. The reversal of 862040 is 40268.

862040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×862040² = 1486225923200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 1388.

It is an arithmetic number, because the mean of its divisors is an integer number (63315).

2⁸⁶²⁰⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1013040).

862040 is an abundant number, since it is smaller than the sum of its proper divisors (1164040).

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

862040 is a wasteful number, since it uses less digits than its factorization.

862040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 862040 is about 928.4610923458. The cubic root of 862040 is about 95.1719876154.

The spelling of 862040 in words is "eight hundred sixty-two thousand, forty".