384051640 has 64 divisors (see below), whose sum is σ = 1021636800. Its totient is φ = 127131648.

The previous prime is 384051593. The next prime is 384051713. The reversal of 384051640 is 46150483.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15529 + ... + 31768.

It is an arithmetic number, because the mean of its divisors is an integer number (15963075).

Almost surely, 2^384051640 is an apocalyptic number.

It is an amenable number.

384051640 is an abundant number, since it is smaller than the sum of its proper divisors (637585160).

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

384051640 is a wasteful number, since it uses less digits than its factorization.

384051640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47344 (or 47340 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 384051640 is about 19597.2355193277. The cubic root of 384051640 is about 726.8808176542.

The spelling of 384051640 in words is "three hundred eighty-four million, fifty-one thousand, six hundred forty".