304476644 has 12 divisors (see below), whose sum is σ = 533464764. Its totient is φ = 152058144.

The previous prime is 304476643. The next prime is 304476659. The reversal of 304476644 is 446674403.

It can be written as a sum of positive squares in 2 ways, for example, as 69222400 + 235254244 = 8320^2 + 15338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 304476598 and 304476607.

It is not an unprimeable number, because it can be changed into a prime (304476643) 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, 41207 + ... + 48030.

It is an arithmetic number, because the mean of its divisors is an integer number (44455397).

Almost surely, 2^304476644 is an apocalyptic number.

It is an amenable number.

304476644 is a deficient number, since it is larger than the sum of its proper divisors (228988120).

304476644 is a wasteful number, since it uses less digits than its factorization.

304476644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90094 (or 90092 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 304476644 is about 17449.2591246735. The cubic root of 304476644 is about 672.7463157081.

It can be divided in two parts, 304 and 476644, that multiplied together give a triangular number (144899776 = T₁₇₀₂₃).

The spelling of 304476644 in words is "three hundred four million, four hundred seventy-six thousand, six hundred forty-four".