384889532 has 12 divisors (see below), whose sum is σ = 676353216. Its totient is φ = 191645760.

The previous prime is 384889523. The next prime is 384889543. The reversal of 384889532 is 235988483.

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 3 ways as a sum of consecutive naturals, for example, 198668 + ... + 200595.

It is an arithmetic number, because the mean of its divisors is an integer number (56362768).

Almost surely, 2^384889532 is an apocalyptic number.

It is an amenable number.

384889532 is a deficient number, since it is larger than the sum of its proper divisors (291463684).

384889532 is a wasteful number, since it uses less digits than its factorization.

384889532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399508 (or 399506 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 50.

The square root of 384889532 is about 19618.6016830966. The cubic root of 384889532 is about 727.4090497733.

It can be divided in two parts, 3 and 84889532, that multiplied together give a triangular number (254668596 = T₂₂₅₆₈).

The spelling of 384889532 in words is "three hundred eighty-four million, eight hundred eighty-nine thousand, five hundred thirty-two".