384473250 has 256 divisors, whose sum is σ = 1246003200. Its totient is φ = 85924800.

The previous prime is 384473249. The next prime is 384473273. The reversal of 384473250 is 52374483.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3732699 + ... + 3732801.

It is an arithmetic number, because the mean of its divisors is an integer number (4867200).

Almost surely, 2^384473250 is an apocalyptic number.

384473250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 384473250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (623001600).

384473250 is an abundant number, since it is smaller than the sum of its proper divisors (861529950).

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

384473250 is a wasteful number, since it uses less digits than its factorization.

384473250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 384473250 is about 19607.9894430816. The cubic root of 384473250 is about 727.1467091077.

The spelling of 384473250 in words is "three hundred eighty-four million, four hundred seventy-three thousand, two hundred fifty".