381514738 has 8 divisors (see below), whose sum is σ = 624296880. Its totient is φ = 173415780.

The previous prime is 381514681. The next prime is 381514739. The reversal of 381514738 is 837415183.

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

It is a super-2 number, since 2×381514738² = 291106990622417288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 381514738.

It is not an unprimeable number, because it can be changed into a prime (381514739) 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, 8670768 + ... + 8670811.

It is an arithmetic number, because the mean of its divisors is an integer number (78037110).

Almost surely, 2^381514738 is an apocalyptic number.

381514738 is a deficient number, since it is larger than the sum of its proper divisors (242782142).

381514738 is a wasteful number, since it uses less digits than its factorization.

381514738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17341592.

The product of its digits is 80640, while the sum is 40.

The square root of 381514738 is about 19532.4022588109. The cubic root of 381514738 is about 725.2767793002.

The spelling of 381514738 in words is "three hundred eighty-one million, five hundred fourteen thousand, seven hundred thirty-eight".