304726628 has 6 divisors (see below), whose sum is σ = 533271606. Its totient is φ = 152363312.

The previous prime is 304726619. The next prime is 304726661. The reversal of 304726628 is 826627403.

It can be written as a sum of positive squares in only one way, i.e., 274498624 + 30228004 = 16568^2 + 5498^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304726591 and 304726600.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 38090825 + ... + 38090832.

It is an arithmetic number, because the mean of its divisors is an integer number (88878601).

Almost surely, 2^304726628 is an apocalyptic number.

It is an amenable number.

304726628 is a deficient number, since it is larger than the sum of its proper divisors (228544978).

304726628 is a wasteful number, since it uses less digits than its factorization.

304726628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76181661 (or 76181659 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 304726628 is about 17456.4208244416. The cubic root of 304726628 is about 672.9303799745.

The spelling of 304726628 in words is "three hundred four million, seven hundred twenty-six thousand, six hundred twenty-eight".