381554814 has 8 divisors (see below), whose sum is σ = 763109640. Its totient is φ = 127184936.

The previous prime is 381554813. The next prime is 381554821. The reversal of 381554814 is 418455183.

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

381554814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381554813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31796229 + ... + 31796240.

It is an arithmetic number, because the mean of its divisors is an integer number (95388705).

Almost surely, 2^381554814 is an apocalyptic number.

381554814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381554814 is a wasteful number, since it uses less digits than its factorization.

381554814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63592474.

The product of its digits is 76800, while the sum is 39.

The square root of 381554814 is about 19533.4281169486. The cubic root of 381554814 is about 725.3021738408.

The spelling of 381554814 in words is "three hundred eighty-one million, five hundred fifty-four thousand, eight hundred fourteen".