387133228 has 12 divisors (see below), whose sum is σ = 680392440. Its totient is φ = 192735392.

The previous prime is 387133223. The next prime is 387133237. The reversal of 387133228 is 822331783.

It is not an unprimeable number, because it can be changed into a prime (387133223) 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, 206758 + ... + 208621.

It is an arithmetic number, because the mean of its divisors is an integer number (56699370).

Almost surely, 2^387133228 is an apocalyptic number.

It is an amenable number.

387133228 is a deficient number, since it is larger than the sum of its proper divisors (293259212).

387133228 is a wasteful number, since it uses less digits than its factorization.

387133228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415616 (or 415614 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 387133228 is about 19675.7014614473. The cubic root of 387133228 is about 728.8197780325.

The spelling of 387133228 in words is "three hundred eighty-seven million, one hundred thirty-three thousand, two hundred twenty-eight".