387017228 has 48 divisors (see below), whose sum is σ = 766488576. Its totient is φ = 169646400.

The previous prime is 387017221. The next prime is 387017249. The reversal of 387017228 is 822710783.

It is a junction number, because it is equal to n+sod(n) for n = 387017191 and 387017200.

It is not an unprimeable number, because it can be changed into a prime (387017221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179525 + ... + 181667.

It is an arithmetic number, because the mean of its divisors is an integer number (15968512).

Almost surely, 2^387017228 is an apocalyptic number.

It is an amenable number.

387017228 is a deficient number, since it is larger than the sum of its proper divisors (379471348).

387017228 is a wasteful number, since it uses less digits than its factorization.

387017228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334 (or 2332 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 387017228 is about 19672.7534422612. The cubic root of 387017228 is about 728.7469766181.

The spelling of 387017228 in words is "three hundred eighty-seven million, seventeen thousand, two hundred twenty-eight".