384940320 has 48 divisors (see below), whose sum is σ = 1212563520. Its totient is φ = 102650624.

The previous prime is 384940319. The next prime is 384940321. The reversal of 384940320 is 23049483.

It is an interprime number because it is at equal distance from previous prime (384940319) and next prime (384940321).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (384940321) 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, 400500 + ... + 401459.

It is an arithmetic number, because the mean of its divisors is an integer number (25261740).

Almost surely, 2^384940320 is an apocalyptic number.

384940320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

384940320 is an abundant number, since it is smaller than the sum of its proper divisors (827623200).

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

384940320 is a wasteful number, since it uses less digits than its factorization.

384940320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801977 (or 801969 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 384940320 is about 19619.8960241893. The cubic root of 384940320 is about 727.4410433913.

The spelling of 384940320 in words is "three hundred eighty-four million, nine hundred forty thousand, three hundred twenty".