387008520 has 32 divisors (see below), whose sum is σ = 1161025920. Its totient is φ = 103202240.

The previous prime is 387008483. The next prime is 387008521. The reversal of 387008520 is 25800783.

It is not an unprimeable number, because it can be changed into a prime (387008521) 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, 1612416 + ... + 1612655.

It is an arithmetic number, because the mean of its divisors is an integer number (36282060).

Almost surely, 2^387008520 is an apocalyptic number.

387008520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387008520 is an abundant number, since it is smaller than the sum of its proper divisors (774017400).

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

387008520 is a wasteful number, since it uses less digits than its factorization.

387008520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225085 (or 3225081 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 387008520 is about 19672.5321196840. The cubic root of 387008520 is about 728.7415109042.

The spelling of 387008520 in words is "three hundred eighty-seven million, eight thousand, five hundred twenty".