4021082 has 16 divisors (see below), whose sum is σ = 6720840. Its totient is φ = 1791552.

The previous prime is 4021081. The next prime is 4021091. The reversal of 4021082 is 2801204.

It can be written as a sum of positive squares in 4 ways, for example, as 3845521 + 175561 = 1961^2 + 419^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4021082.

It is not an unprimeable number, because it can be changed into a prime (4021081) 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, 1913 + ... + 3420.

Almost surely, 2^4021082 is an apocalyptic number.

4021082 is a deficient number, since it is larger than the sum of its proper divisors (2699758).

4021082 is a wasteful number, since it uses less digits than its factorization.

4021082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4021082 is about 2005.2635736980. The cubic root of 4021082 is about 159.0184965890.

Adding to 4021082 its reverse (2801204), we get a palindrome (6822286).

The spelling of 4021082 in words is "four million, twenty-one thousand, eighty-two".