4001082 has 16 divisors (see below), whose sum is σ = 8038272. Its totient is φ = 1327680.

The previous prime is 4001071. The next prime is 4001089. The reversal of 4001082 is 2801004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001089) 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, 63 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (502392).

Almost surely, 2^4001082 is an apocalyptic number.

4001082 is an abundant number, since it is smaller than the sum of its proper divisors (4037190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001082 is a wasteful number, since it uses less digits than its factorization.

4001082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 4001082 is about 2000.2704817099. The cubic root of 4001082 is about 158.7544169726.

Adding to 4001082 its reverse (2801004), we get a palindrome (6802086).

The spelling of 4001082 in words is "four million, one thousand, eighty-two".