381364894 has 8 divisors (see below), whose sum is σ = 572179608. Its totient is φ = 190638360.

The previous prime is 381364889. The next prime is 381364897. The reversal of 381364894 is 498463183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381364897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9892 + ... + 29335.

It is an arithmetic number, because the mean of its divisors is an integer number (71522451).

Almost surely, 2^381364894 is an apocalyptic number.

381364894 is a deficient number, since it is larger than the sum of its proper divisors (190814714).

381364894 is a wasteful number, since it uses less digits than its factorization.

381364894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44090.

The product of its digits is 497664, while the sum is 46.

The square root of 381364894 is about 19528.5661019953. The cubic root of 381364894 is about 725.1818134582.

The spelling of 381364894 in words is "three hundred eighty-one million, three hundred sixty-four thousand, eight hundred ninety-four".