381334000 has 40 divisors (see below), whose sum is σ = 922070448. Its totient is φ = 152532800.

The previous prime is 381333991. The next prime is 381334001. The reversal of 381334000 is 433183.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381334001) 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, 93334 + ... + 97333.

Almost surely, 2^381334000 is an apocalyptic number.

It is an amenable number.

381334000 is an abundant number, since it is smaller than the sum of its proper divisors (540736448).

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

381334000 is a wasteful number, since it uses less digits than its factorization.

381334000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190690 (or 190674 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 381334000 is about 19527.7750908802. The cubic root of 381334000 is about 725.1622308377.

Adding to 381334000 its reverse (433183), we get a palindrome (381767183).

The spelling of 381334000 in words is "three hundred eighty-one million, three hundred thirty-four thousand".