304724 has 12 divisors (see below), whose sum is σ = 609504. Its totient is φ = 130584.

The previous prime is 304723. The next prime is 304729. The reversal of 304724 is 427403.

304724 = T₂₇₂ + T₂₇₃ + ... + T₂₇₉.

It is a happy number.

304724 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 304696 and 304705.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 304724.

It is not an unprimeable number, because it can be changed into a prime (304723) 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, 5414 + ... + 5469.

It is an arithmetic number, because the mean of its divisors is an integer number (50792).

2³⁰⁴⁷²⁴ is an apocalyptic number.

It is an amenable number.

304724 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.

304724 is a wasteful number, since it uses less digits than its factorization.

304724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10894 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 304724 is about 552.0181156448. The cubic root of 304724 is about 67.2928445491.

Subtracting from 304724 its sum of digits (20), we obtain a square (304704 = 552²).

The spelling of 304724 in words is "three hundred four thousand, seven hundred twenty-four", and thus it is an iban number.