3982581623 has 8 divisors (see below), whose sum is σ = 4058840448. Its totient is φ = 3907045944.

The previous prime is 3982581599. The next prime is 3982581637. The reversal of 3982581623 is 3261852893.

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

It is a cyclic number.

It is not a de Polignac number, because 3982581623 - 2¹² = 3982577527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982583623) 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, 169661 + ... + 191702.

It is an arithmetic number, because the mean of its divisors is an integer number (507355056).

Almost surely, 2^3982581623 is an apocalyptic number.

3982581623 is a deficient number, since it is larger than the sum of its proper divisors (76258825).

3982581623 is a wasteful number, since it uses less digits than its factorization.

3982581623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361573.

The product of its digits is 622080, while the sum is 47.

The square root of 3982581623 is about 63107.6986032608. The cubic root of 3982581623 is about 1585.0935367914.

The spelling of 3982581623 in words is "three billion, nine hundred eighty-two million, five hundred eighty-one thousand, six hundred twenty-three".