304284872 has 16 divisors (see below), whose sum is σ = 581299740. Its totient is φ = 149271616.

The previous prime is 304284863. The next prime is 304284881. The reversal of 304284872 is 278482403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (304284863) and next prime (304284881).

It can be written as a sum of positive squares in 2 ways, for example, as 297700516 + 6584356 = 17254^2 + 2566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358403 + ... + 359250.

Almost surely, 2^304284872 is an apocalyptic number.

It is an amenable number.

304284872 is a deficient number, since it is larger than the sum of its proper divisors (277014868).

304284872 is a wasteful number, since it uses less digits than its factorization.

304284872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717712 (or 717708 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 304284872 is about 17443.7631261147. The cubic root of 304284872 is about 672.6050448810.

It can be divided in two parts, 3042 and 84872, that multiplied together give a square (258180624 = 16068²).

The spelling of 304284872 in words is "three hundred four million, two hundred eighty-four thousand, eight hundred seventy-two".