384421029 has 16 divisors (see below), whose sum is σ = 518848512. Its totient is φ = 253150128.

The previous prime is 384421027. The next prime is 384421033. The reversal of 384421029 is 920124483.

It is not a de Polignac number, because 384421029 - 2¹ = 384421027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384421021) 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, 141724 + ... + 144410.

It is an arithmetic number, because the mean of its divisors is an integer number (32428032).

Almost surely, 2^384421029 is an apocalyptic number.

It is an amenable number.

384421029 is a deficient number, since it is larger than the sum of its proper divisors (134427483).

384421029 is a wasteful number, since it uses less digits than its factorization.

384421029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3256.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 384421029 is about 19606.6577722977. The cubic root of 384421029 is about 727.1137860997.

The spelling of 384421029 in words is "three hundred eighty-four million, four hundred twenty-one thousand, twenty-nine".