306272404 has 6 divisors (see below), whose sum is σ = 535976714. Its totient is φ = 153136200.

The previous prime is 306272387. The next prime is 306272423. The reversal of 306272404 is 404272603.

It can be written as a sum of positive squares in only one way, i.e., 172869904 + 133402500 = 13148^2 + 11550^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38284047 + ... + 38284054.

Almost surely, 2^306272404 is an apocalyptic number.

It is an amenable number.

306272404 is a deficient number, since it is larger than the sum of its proper divisors (229704310).

306272404 is a wasteful number, since it uses less digits than its factorization.

306272404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76568105 (or 76568103 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 306272404 is about 17500.6401025791. The cubic root of 306272404 is about 674.0663114557.

It can be divided in two parts, 3062 and 72404, that added together give a triangular number (75466 = T₃₈₈).

The spelling of 306272404 in words is "three hundred six million, two hundred seventy-two thousand, four hundred four".