387278268 has 24 divisors (see below), whose sum is σ = 973161168. Its totient is φ = 119162496.

The previous prime is 387278179. The next prime is 387278341. The reversal of 387278268 is 862872783.

It is a self number, because there is not a number n which added to its sum of digits gives 387278268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1241121 + ... + 1241432.

It is an arithmetic number, because the mean of its divisors is an integer number (40548382).

Almost surely, 2^387278268 is an apocalyptic number.

It is an amenable number.

387278268 is an abundant number, since it is smaller than the sum of its proper divisors (585882900).

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

387278268 is a wasteful number, since it uses less digits than its factorization.

387278268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482573 (or 2482571 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 51.

The square root of 387278268 is about 19679.3868806932. The cubic root of 387278268 is about 728.9107844480.

The spelling of 387278268 in words is "three hundred eighty-seven million, two hundred seventy-eight thousand, two hundred sixty-eight".