381253814 has 8 divisors (see below), whose sum is σ = 572112048. Its totient is φ = 190549800.

The previous prime is 381253799. The next prime is 381253837. The reversal of 381253814 is 418352183.

It is a happy number.

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, 32162 + ... + 42389.

It is an arithmetic number, because the mean of its divisors is an integer number (71514006).

Almost surely, 2^381253814 is an apocalyptic number.

381253814 is a deficient number, since it is larger than the sum of its proper divisors (190858234).

381253814 is a wasteful number, since it uses less digits than its factorization.

381253814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77110.

The product of its digits is 23040, while the sum is 35.

The square root of 381253814 is about 19525.7218560544. The cubic root of 381253814 is about 725.1113988157. Note that the first 3 decimals are identical.

The spelling of 381253814 in words is "three hundred eighty-one million, two hundred fifty-three thousand, eight hundred fourteen".