381401774 has 8 divisors (see below), whose sum is σ = 616110600. Its totient is φ = 176031576.

The previous prime is 381401771. The next prime is 381401861. The reversal of 381401774 is 477104183.

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 (381401771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7334624 + ... + 7334675.

It is an arithmetic number, because the mean of its divisors is an integer number (77013825).

Almost surely, 2^381401774 is an apocalyptic number.

381401774 is a deficient number, since it is larger than the sum of its proper divisors (234708826).

381401774 is a wasteful number, since it uses less digits than its factorization.

381401774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14669314.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 381401774 is about 19529.5103369235. The cubic root of 381401774 is about 725.2051890089.

The spelling of 381401774 in words is "three hundred eighty-one million, four hundred one thousand, seven hundred seventy-four".