381630086 has 8 divisors (see below), whose sum is σ = 602573880. Its totient is φ = 180772128.

The previous prime is 381630079. The next prime is 381630097. The reversal of 381630086 is 680036183.

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, 5021411 + ... + 5021486.

It is an arithmetic number, because the mean of its divisors is an integer number (75321735).

Almost surely, 2^381630086 is an apocalyptic number.

381630086 is a deficient number, since it is larger than the sum of its proper divisors (220943794).

381630086 is a wasteful number, since it uses less digits than its factorization.

381630086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042918.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 381630086 is about 19535.3547702620. The cubic root of 381630086 is about 725.3498658574.

The spelling of 381630086 in words is "three hundred eighty-one million, six hundred thirty thousand, eighty-six".