381734250 has 64 divisors (see below), whose sum is σ = 985720320. Its totient is φ = 98280000.

The previous prime is 381734239. The next prime is 381734251. The reversal of 381734250 is 52437183.

It is not an unprimeable number, because it can be changed into a prime (381734251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12975 + ... + 30525.

It is an arithmetic number, because the mean of its divisors is an integer number (15401880).

Almost surely, 2^381734250 is an apocalyptic number.

381734250 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 381734250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492860160).

381734250 is an abundant number, since it is smaller than the sum of its proper divisors (603986070).

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

381734250 is a wasteful number, since it uses less digits than its factorization.

381734250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17600 (or 17590 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 381734250 is about 19538.0206264606. The cubic root of 381734250 is about 725.4158533787.

The spelling of 381734250 in words is "three hundred eighty-one million, seven hundred thirty-four thousand, two hundred fifty".