381352704 has 72 divisors (see below), whose sum is σ = 1074694320. Its totient is φ = 119635968.

The previous prime is 381352703. The next prime is 381352709. The reversal of 381352704 is 407253183.

It is a super-2 number, since 2×381352704² = 290859769696223232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (381352703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1549 + ... + 27660.

It is an arithmetic number, because the mean of its divisors is an integer number (14926310).

Almost surely, 2^381352704 is an apocalyptic number.

381352704 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381352704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537347160).

381352704 is an abundant number, since it is smaller than the sum of its proper divisors (693341616).

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

381352704 is a wasteful number, since it uses less digits than its factorization.

381352704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29245 (or 29231 counting only the distinct ones).

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

The square root of 381352704 is about 19528.2539926129. The cubic root of 381352704 is about 725.1740867721.

The spelling of 381352704 in words is "three hundred eighty-one million, three hundred fifty-two thousand, seven hundred four".