904235 has 4 divisors (see below), whose sum is σ = 1085088. Its totient is φ = 723384.

The previous prime is 904219. The next prime is 904261. The reversal of 904235 is 532409.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 532409 = 587 ⋅907.

It is a cyclic number.

It is not a de Polignac number, because 904235 - 2⁴ = 904219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 904235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90419 + ... + 90428.

It is an arithmetic number, because the mean of its divisors is an integer number (271272).

2⁹⁰⁴²³⁵ is an apocalyptic number.

904235 is a deficient number, since it is larger than the sum of its proper divisors (180853).

904235 is a wasteful number, since it uses less digits than its factorization.

904235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180852.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 904235 is about 950.9127194438. The cubic root of 904235 is about 96.7001403429.

The spelling of 904235 in words is "nine hundred four thousand, two hundred thirty-five".