384089520 has 40 divisors (see below), whose sum is σ = 1190678256. Its totient is φ = 102423808.

The previous prime is 384089509. The next prime is 384089533. The reversal of 384089520 is 25980483.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

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, 799947 + ... + 800426.

Almost surely, 2^384089520 is an apocalyptic number.

384089520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384089520 is an abundant number, since it is smaller than the sum of its proper divisors (806588736).

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

384089520 is a wasteful number, since it uses less digits than its factorization.

384089520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600389 (or 1600383 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 384089520 is about 19598.2019583430. The cubic root of 384089520 is about 726.9047149094.

The spelling of 384089520 in words is "three hundred eighty-four million, eighty-nine thousand, five hundred twenty".