381608995 has 4 divisors (see below), whose sum is σ = 457930800. Its totient is φ = 305287192.

The previous prime is 381608989. The next prime is 381609001. The reversal of 381608995 is 599806183.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (381608989) and next prime (381609001).

It is a cyclic number.

It is not a de Polignac number, because 381608995 - 2³ = 381608987 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 38160895 + ... + 38160904.

It is an arithmetic number, because the mean of its divisors is an integer number (114482700).

Almost surely, 2^381608995 is an apocalyptic number.

381608995 is a deficient number, since it is larger than the sum of its proper divisors (76321805).

381608995 is an equidigital number, since it uses as much as digits as its factorization.

381608995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76321804.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 381608995 is about 19534.8149466536. The cubic root of 381608995 is about 725.3365033226.

The spelling of 381608995 in words is "three hundred eighty-one million, six hundred eight thousand, nine hundred ninety-five".