381563734 has 8 divisors (see below), whose sum is σ = 572463720. Its totient is φ = 190742496.

The previous prime is 381563713. The next prime is 381563761. The reversal of 381563734 is 437365183.

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

It is a congruent number.

It is an unprimeable number.

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, 5539 + ... + 28174.

It is an arithmetic number, because the mean of its divisors is an integer number (71557965).

Almost surely, 2^381563734 is an apocalyptic number.

381563734 is a deficient number, since it is larger than the sum of its proper divisors (190899986).

381563734 is a wasteful number, since it uses less digits than its factorization.

381563734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39374.

The product of its digits is 181440, while the sum is 40.

The square root of 381563734 is about 19533.6564421513. The cubic root of 381563734 is about 725.3078258422.

The spelling of 381563734 in words is "three hundred eighty-one million, five hundred sixty-three thousand, seven hundred thirty-four".