904542 has 16 divisors (see below), whose sum is σ = 1853712. Its totient is φ = 294080.

The previous prime is 904531. The next prime is 904559. The reversal of 904542 is 245409.

It is an Ulam number.

It is a d-powerful number, because it can be written as 9⁶ + 0 + 5⁷ + 4³ + 4⁹ + 2¹⁵ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1593 + ... + 2084.

It is an arithmetic number, because the mean of its divisors is an integer number (115857).

2⁹⁰⁴⁵⁴² is an apocalyptic number.

904542 is an abundant number, since it is smaller than the sum of its proper divisors (949170).

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

904542 is a wasteful number, since it uses less digits than its factorization.

904542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 904542 is about 951.0741296029. The cubic root of 904542 is about 96.7110827727.

The spelling of 904542 in words is "nine hundred four thousand, five hundred forty-two".