384449492 has 96 divisors (see below), whose sum is σ = 849139200. Its totient is φ = 151656960.

The previous prime is 384449489. The next prime is 384449501. The reversal of 384449492 is 294944483.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1236017 + ... + 1236327.

It is an arithmetic number, because the mean of its divisors is an integer number (8845200).

Almost surely, 2^384449492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384449492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424569600).

384449492 is an abundant number, since it is smaller than the sum of its proper divisors (464689708).

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

384449492 is a wasteful number, since it uses less digits than its factorization.

384449492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 390 counting only the distinct ones).

The product of its digits is 995328, while the sum is 47.

The square root of 384449492 is about 19607.3836092427. The cubic root of 384449492 is about 727.1317311195.

The spelling of 384449492 in words is "three hundred eighty-four million, four hundred forty-nine thousand, four hundred ninety-two".