842436 has 36 divisors (see below), whose sum is σ = 2434432. Its totient is φ = 240624.

The previous prime is 842423. The next prime is 842447. The reversal of 842436 is 634248.

842436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1420 + ... + 1923.

2⁸⁴²⁴³⁶ is an apocalyptic number.

It is an amenable number.

842436 is an abundant number, since it is smaller than the sum of its proper divisors (1591996).

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

842436 is a wasteful number, since it uses less digits than its factorization.

842436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360 (or 3355 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 842436 is about 917.8431238507. The cubic root of 842436 is about 94.4450003299.

The spelling of 842436 in words is "eight hundred forty-two thousand, four hundred thirty-six".