911442 has 16 divisors (see below), whose sum is σ = 2083392. Its totient is φ = 260400.

The previous prime is 911437. The next prime is 911453. The reversal of 911442 is 244119.

911442 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 (21).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 911442.

It is an unprimeable number.

911442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10809 + ... + 10892.

It is an arithmetic number, because the mean of its divisors is an integer number (130212).

2⁹¹¹⁴⁴² is an apocalyptic number.

911442 is an abundant number, since it is smaller than the sum of its proper divisors (1171950).

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

911442 is a wasteful number, since it uses less digits than its factorization.

911442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21713.

The product of its digits is 288, while the sum is 21.

The square root of 911442 is about 954.6947156028. The cubic root of 911442 is about 96.9563696508.

The spelling of 911442 in words is "nine hundred eleven thousand, four hundred forty-two".