381703478 has 8 divisors (see below), whose sum is σ = 616597968. Its totient is φ = 176170824.

The previous prime is 381703463. The next prime is 381703549. The reversal of 381703478 is 874307183.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7340426 + ... + 7340477.

It is an arithmetic number, because the mean of its divisors is an integer number (77074746).

Almost surely, 2^381703478 is an apocalyptic number.

381703478 is a deficient number, since it is larger than the sum of its proper divisors (234894490).

381703478 is a wasteful number, since it uses less digits than its factorization.

381703478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14680918.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 381703478 is about 19537.2331203781. The cubic root of 381703478 is about 725.3963606762.

The spelling of 381703478 in words is "three hundred eighty-one million, seven hundred three thousand, four hundred seventy-eight".