387485508 has 24 divisors (see below), whose sum is σ = 943443648. Its totient is φ = 123546016.

The previous prime is 387485507. The next prime is 387485519. The reversal of 387485508 is 805584783.

It is not an unprimeable number, because it can be changed into a prime (387485503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701691 + ... + 702242.

It is an arithmetic number, because the mean of its divisors is an integer number (39310152).

Almost surely, 2^387485508 is an apocalyptic number.

It is an amenable number.

387485508 is an abundant number, since it is smaller than the sum of its proper divisors (555958140).

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

387485508 is a wasteful number, since it uses less digits than its factorization.

387485508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403963 (or 1403961 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 387485508 is about 19684.6515844198. The cubic root of 387485508 is about 729.0407792919.

The spelling of 387485508 in words is "three hundred eighty-seven million, four hundred eighty-five thousand, five hundred eight".