384513450 has 48 divisors (see below), whose sum is σ = 1003789920. Its totient is φ = 97139520.

The previous prime is 384513449. The next prime is 384513473. The reversal of 384513450 is 54315483.

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 23 ways as a sum of consecutive naturals, for example, 64609 + ... + 70308.

It is an arithmetic number, because the mean of its divisors is an integer number (20912290).

Almost surely, 2^384513450 is an apocalyptic number.

384513450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

384513450 is an abundant number, since it is smaller than the sum of its proper divisors (619276470).

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

384513450 is a wasteful number, since it uses less digits than its factorization.

384513450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134951 (or 134946 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 384513450 is about 19609.0145086386. The cubic root of 384513450 is about 727.1720513814.

The spelling of 384513450 in words is "three hundred eighty-four million, five hundred thirteen thousand, four hundred fifty".