381444494 has 8 divisors (see below), whose sum is σ = 602280840. Its totient is φ = 180684216.

The previous prime is 381444473. The next prime is 381444509. The reversal of 381444494 is 494444183.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5018969 + ... + 5019044.

It is an arithmetic number, because the mean of its divisors is an integer number (75285105).

Almost surely, 2^381444494 is an apocalyptic number.

381444494 is a deficient number, since it is larger than the sum of its proper divisors (220836346).

381444494 is a wasteful number, since it uses less digits than its factorization.

381444494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10038034.

The product of its digits is 221184, while the sum is 41.

The square root of 381444494 is about 19530.6040357179. The cubic root of 381444494 is about 725.2322642273.

The spelling of 381444494 in words is "three hundred eighty-one million, four hundred forty-four thousand, four hundred ninety-four".