2142366 has 16 divisors (see below), whose sum is σ = 4366224. Its totient is φ = 700544.

The previous prime is 2142353. The next prime is 2142377. The reversal of 2142366 is 6632412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051 + ... + 3686.

It is an arithmetic number, because the mean of its divisors is an integer number (272889).

2^2142366 is an apocalyptic number.

2142366 is an abundant number, since it is smaller than the sum of its proper divisors (2223858).

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

2142366 is a wasteful number, since it uses less digits than its factorization.

2142366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6795.

The product of its digits is 1728, while the sum is 24.

The square root of 2142366 is about 1463.6823425867. The cubic root of 2142366 is about 128.9133484539.

Adding to 2142366 its reverse (6632412), we get a palindrome (8774778).

The spelling of 2142366 in words is "two million, one hundred forty-two thousand, three hundred sixty-six".