840462 has 16 divisors (see below), whose sum is σ = 1921152. Its totient is φ = 240120.

The previous prime is 840457. The next prime is 840467. The reversal of 840462 is 264048.

840462 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (840457) and next prime (840467).

840462 is a modest number, since divided by 462 gives 84 as remainder.

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 840462.

It is not an unprimeable number, because it can be changed into a prime (840467) 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, 9964 + ... + 10047.

It is an arithmetic number, because the mean of its divisors is an integer number (120072).

2⁸⁴⁰⁴⁶² is an apocalyptic number.

840462 is an abundant number, since it is smaller than the sum of its proper divisors (1080690).

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

840462 is a wasteful number, since it uses less digits than its factorization.

840462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20023.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 840462 is about 916.7671460082. The cubic root of 840462 is about 94.3711746472.

It can be divided in two parts, 84046 and 2, that added together give a palindrome (84048).

The spelling of 840462 in words is "eight hundred forty thousand, four hundred sixty-two".