909042 has 8 divisors (see below), whose sum is σ = 1818096. Its totient is φ = 303012.

The previous prime is 909037. The next prime is 909043. The reversal of 909042 is 240909.

It is a sphenic number, since it is the product of 3 distinct primes.

909042 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (909043) by changing a digit.

909042 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 3 ways as a sum of consecutive naturals, for example, 75748 + ... + 75759.

It is an arithmetic number, because the mean of its divisors is an integer number (227262).

2⁹⁰⁹⁰⁴² is an apocalyptic number.

909042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

909042 is a wasteful number, since it uses less digits than its factorization.

909042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151512.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 909042 is about 953.4369407570. The cubic root of 909042 is about 96.8711933294.

The spelling of 909042 in words is "nine hundred nine thousand, forty-two".