4082639 has 8 divisors (see below), whose sum is σ = 4477440. Its totient is φ = 3691800.

The previous prime is 4082629. The next prime is 4082651. The reversal of 4082639 is 9362804.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4082639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4082609) 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, 1442 + ... + 3200.

It is an arithmetic number, because the mean of its divisors is an integer number (559680).

Almost surely, 2^4082639 is an apocalyptic number.

4082639 is a deficient number, since it is larger than the sum of its proper divisors (394801).

4082639 is a wasteful number, since it uses less digits than its factorization.

4082639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 4082639 is about 2020.5541319153. The cubic root of 4082639 is about 159.8258391396.

The spelling of 4082639 in words is "four million, eighty-two thousand, six hundred thirty-nine".