904998 has 8 divisors (see below), whose sum is σ = 1810008. Its totient is φ = 301664.

The previous prime is 904997. The next prime is 904999. The reversal of 904998 is 899409.

It is an interprime number because it is at equal distance from previous prime (904997) and next prime (904999).

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

904998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75411 + ... + 75422.

It is an arithmetic number, because the mean of its divisors is an integer number (226251).

2⁹⁰⁴⁹⁹⁸ is an apocalyptic number.

904998 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.

904998 is a wasteful number, since it uses less digits than its factorization.

904998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150838.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 904998 is about 951.3138283448. The cubic root of 904998 is about 96.7273314545.

The spelling of 904998 in words is "nine hundred four thousand, nine hundred ninety-eight".