904730 has 8 divisors (see below), whose sum is σ = 1628532. Its totient is φ = 361888.

The previous prime is 904727. The next prime is 904733. The reversal of 904730 is 37409.

It is an interprime number because it is at equal distance from previous prime (904727) and next prime (904733).

It can be written as a sum of positive squares in 2 ways, for example, as 896809 + 7921 = 947^2 + 89^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 904696 and 904705.

It is not an unprimeable number, because it can be changed into a prime (904733) by changing a digit.

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, 45227 + ... + 45246.

2⁹⁰⁴⁷³⁰ is an apocalyptic number.

904730 is a deficient number, since it is larger than the sum of its proper divisors (723802).

904730 is a wasteful number, since it uses less digits than its factorization.

904730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90480.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 904730 is about 951.1729600867. The cubic root of 904730 is about 96.7177824521.

The spelling of 904730 in words is "nine hundred four thousand, seven hundred thirty".