842454 has 16 divisors (see below), whose sum is σ = 1872240. Its totient is φ = 280800.

The previous prime is 842449. The next prime is 842473. The reversal of 842454 is 454248.

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 842454.

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, 7747 + ... + 7854.

It is an arithmetic number, because the mean of its divisors is an integer number (117015).

2⁸⁴²⁴⁵⁴ is an apocalyptic number.

842454 is an abundant number, since it is smaller than the sum of its proper divisors (1029786).

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

842454 is a wasteful number, since it uses less digits than its factorization.

842454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15612 (or 15606 counting only the distinct ones).

The product of its digits is 5120, while the sum is 27.

The square root of 842454 is about 917.8529293956. The cubic root of 842454 is about 94.4456729816.

It can be divided in two parts, 842 and 454, that added together give a 4-th power (1296 = 6⁴).

The spelling of 842454 in words is "eight hundred forty-two thousand, four hundred fifty-four".