306928472 has 16 divisors (see below), whose sum is σ = 609343560. Its totient is φ = 144436864.

The previous prime is 306928441. The next prime is 306928481. The reversal of 306928472 is 274829603.

It is a happy number.

It is a congruent number.

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, 1128278 + ... + 1128549.

Almost surely, 2^306928472 is an apocalyptic number.

It is an amenable number.

306928472 is a deficient number, since it is larger than the sum of its proper divisors (302415088).

306928472 is a wasteful number, since it uses less digits than its factorization.

306928472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2256850 (or 2256846 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 306928472 is about 17519.3741897363. The cubic root of 306928472 is about 674.5472753907.

The spelling of 306928472 in words is "three hundred six million, nine hundred twenty-eight thousand, four hundred seventy-two".