304978244 has 6 divisors (see below), whose sum is σ = 533711934. Its totient is φ = 152489120.

The previous prime is 304978243. The next prime is 304978259. The reversal of 304978244 is 442879403.

It can be written as a sum of positive squares in only one way, i.e., 211120900 + 93857344 = 14530^2 + 9688^2 .

It is not an unprimeable number, because it can be changed into a prime (304978243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38122277 + ... + 38122284.

It is an arithmetic number, because the mean of its divisors is an integer number (88951989).

Almost surely, 2^304978244 is an apocalyptic number.

It is an amenable number.

304978244 is a deficient number, since it is larger than the sum of its proper divisors (228733690).

304978244 is a wasteful number, since it uses less digits than its factorization.

304978244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76244565 (or 76244563 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 304978244 is about 17463.6263129970. The cubic root of 304978244 is about 673.1155442640.

The spelling of 304978244 in words is "three hundred four million, nine hundred seventy-eight thousand, two hundred forty-four".