2180036 has 12 divisors (see below), whose sum is σ = 3827712. Its totient is φ = 1086408.

The previous prime is 2180033. The next prime is 2180039. The reversal of 2180036 is 6300812.

It is an interprime number because it is at equal distance from previous prime (2180033) and next prime (2180039).

It is a super-2 number, since 2×2180036² = 9505113922592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (318976).

2^2180036 is an apocalyptic number.

It is an amenable number.

2180036 is a deficient number, since it is larger than the sum of its proper divisors (1647676).

2180036 is a wasteful number, since it uses less digits than its factorization.

2180036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1808 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2180036 is about 1476.4944971113. The cubic root of 2180036 is about 129.6645394393.

Adding to 2180036 its reverse (6300812), we get a palindrome (8480848).

The spelling of 2180036 in words is "two million, one hundred eighty thousand, thirty-six".