384239634 has 16 divisors (see below), whose sum is σ = 769795488. Its totient is φ = 127860512.

The previous prime is 384239629. The next prime is 384239677. The reversal of 384239634 is 436932483.

It is a Curzon number.

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, 51027 + ... + 58070.

It is an arithmetic number, because the mean of its divisors is an integer number (48112218).

Almost surely, 2^384239634 is an apocalyptic number.

384239634 is an abundant number, since it is smaller than the sum of its proper divisors (385555854).

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

384239634 is a wasteful number, since it uses less digits than its factorization.

384239634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109689.

The product of its digits is 373248, while the sum is 42.

The square root of 384239634 is about 19602.0313743244. The cubic root of 384239634 is about 726.9994014830. Note that the first 3 decimals are identical.

The spelling of 384239634 in words is "three hundred eighty-four million, two hundred thirty-nine thousand, six hundred thirty-four".