904630 has 16 divisors (see below), whose sum is σ = 1656144. Its totient is φ = 355680.

The previous prime is 904627. The next prime is 904633. The reversal of 904630 is 36409.

It is an interprime number because it is at equal distance from previous prime (904627) and next prime (904633).

It is an Ulam number.

It is a plaindrome in base 8 and base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (904633) by changing a digit.

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, 132 + ... + 1351.

It is an arithmetic number, because the mean of its divisors is an integer number (103509).

2⁹⁰⁴⁶³⁰ is an apocalyptic number.

904630 is a deficient number, since it is larger than the sum of its proper divisors (751514).

904630 is a wasteful number, since it uses less digits than its factorization.

904630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1551.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 904630 is about 951.1203919589. The cubic root of 904630 is about 96.7142189084.

The spelling of 904630 in words is "nine hundred four thousand, six hundred thirty".