381358700 has 72 divisors (see below), whose sum is σ = 864788400. Its totient is φ = 145788160.

The previous prime is 381358697. The next prime is 381358717. The reversal of 381358700 is 7853183.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309686 + ... + 310914.

It is an arithmetic number, because the mean of its divisors is an integer number (12010950).

Almost surely, 2^381358700 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 381358700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432394200).

381358700 is an abundant number, since it is smaller than the sum of its proper divisors (483429700).

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

381358700 is a wasteful number, since it uses less digits than its factorization.

381358700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 381358700 is about 19528.4075131589. The cubic root of 381358700 is about 725.1778873841.

The spelling of 381358700 in words is "three hundred eighty-one million, three hundred fifty-eight thousand, seven hundred".