904384 has 28 divisors (see below), whose sum is σ = 1934464. Its totient is φ = 417024.

The previous prime is 904369. The next prime is 904399. The reversal of 904384 is 483409.

904384 = 12² + 13² + ... + 139².

It is an interprime number because it is at equal distance from previous prime (904369) and next prime (904399).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289 + ... + 1375.

It is an arithmetic number, because the mean of its divisors is an integer number (69088).

2⁹⁰⁴³⁸⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 904384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (967232).

904384 is an abundant number, since it is smaller than the sum of its proper divisors (1030080).

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

904384 is a wasteful number, since it uses less digits than its factorization.

904384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 904384 is about 950.9910619980. The cubic root of 904384 is about 96.7054514732.

The spelling of 904384 in words is "nine hundred four thousand, three hundred eighty-four".