384245520 has 40 divisors (see below), whose sum is σ = 1191161856. Its totient is φ = 102465408.

The previous prime is 384245513. The next prime is 384245591. The reversal of 384245520 is 25542483.

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, 800272 + ... + 800751.

Almost surely, 2^384245520 is an apocalyptic number.

384245520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384245520 is an abundant number, since it is smaller than the sum of its proper divisors (806916336).

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

384245520 is a wasteful number, since it uses less digits than its factorization.

384245520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601039 (or 1601033 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 384245520 is about 19602.1815112502. The cubic root of 384245520 is about 727.0031136600.

The spelling of 384245520 in words is "three hundred eighty-four million, two hundred forty-five thousand, five hundred twenty".