387545228 has 24 divisors (see below), whose sum is σ = 778052352. Its totient is φ = 165456144.

The previous prime is 387545227. The next prime is 387545231. The reversal of 387545228 is 822545783.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (387545227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18950 + ... + 33677.

It is an arithmetic number, because the mean of its divisors is an integer number (32418848).

Almost surely, 2^387545228 is an apocalyptic number.

It is an amenable number.

387545228 is an abundant number, since it is smaller than the sum of its proper divisors (390507124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387545228 is a wasteful number, since it uses less digits than its factorization.

387545228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52901 (or 52899 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 387545228 is about 19686.1684438593. The cubic root of 387545228 is about 729.0782310829.

The spelling of 387545228 in words is "three hundred eighty-seven million, five hundred forty-five thousand, two hundred twenty-eight".