381828183 has 8 divisors (see below), whose sum is σ = 555386496. Its totient is φ = 231411000.

The previous prime is 381828173. The next prime is 381828193.

It is a happy number.

381828183 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (381828173) and next prime (381828193).

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

It is not a de Polignac number, because 381828183 - 2⁶ = 381828119 is a prime.

It is a super-2 number, since 2×381828183² = 291585522666162978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381828103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5785243 + ... + 5785308.

It is an arithmetic number, because the mean of its divisors is an integer number (69423312).

Almost surely, 2^381828183 is an apocalyptic number.

381828183 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

381828183 is a deficient number, since it is larger than the sum of its proper divisors (173558313).

381828183 is a wasteful number, since it uses less digits than its factorization.

381828183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11570565.

The product of its digits is 73728, while the sum is 42.

The square root of 381828183 is about 19540.4243300907. The cubic root of 381828183 is about 725.4753493056.

The spelling of 381828183 in words is "three hundred eighty-one million, eight hundred twenty-eight thousand, one hundred eighty-three".