307634228 has 12 divisors (see below), whose sum is σ = 587301792. Its totient is φ = 139833720.

The previous prime is 307634221. The next prime is 307634231. The reversal of 307634228 is 822436703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307634221) 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, 3495800 + ... + 3495887.

It is an arithmetic number, because the mean of its divisors is an integer number (48941816).

Almost surely, 2^307634228 is an apocalyptic number.

It is an amenable number.

307634228 is a deficient number, since it is larger than the sum of its proper divisors (279667564).

307634228 is a wasteful number, since it uses less digits than its factorization.

307634228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991702 (or 6991700 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 307634228 is about 17539.5047820627. The cubic root of 307634228 is about 675.0639010377.

The spelling of 307634228 in words is "three hundred seven million, six hundred thirty-four thousand, two hundred twenty-eight".