384421034 has 32 divisors (see below), whose sum is σ = 670654080. Its totient is φ = 163924992.

The previous prime is 384421033. The next prime is 384421039. The reversal of 384421034 is 430124483.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 384420988 and 384421006.

It is not an unprimeable number, because it can be changed into a prime (384421033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1922 + ... + 27794.

It is an arithmetic number, because the mean of its divisors is an integer number (20957940).

Almost surely, 2^384421034 is an apocalyptic number.

384421034 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

384421034 is a deficient number, since it is larger than the sum of its proper divisors (286233046).

384421034 is a wasteful number, since it uses less digits than its factorization.

384421034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25934.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 384421034 is about 19606.6578998054. The cubic root of 384421034 is about 727.1137892522.

The spelling of 384421034 in words is "three hundred eighty-four million, four hundred twenty-one thousand, thirty-four".