2142983 has 4 divisors (see below), whose sum is σ = 2149680. Its totient is φ = 2136288.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2142983 is 3892412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2142983 - 2⁴ = 2142967 is a prime.

It is a super-2 number, since 2×2142983² = 9184752276578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142923) 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, 2843 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (537420).

2^2142983 is an apocalyptic number.

2142983 is a deficient number, since it is larger than the sum of its proper divisors (6697).

2142983 is an equidigital number, since it uses as much as digits as its factorization.

2142983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6696.

The product of its digits is 3456, while the sum is 29.

The square root of 2142983 is about 1463.8930971898. The cubic root of 2142983 is about 128.9257229193.

It can be divided in two parts, 21429 and 83, that added together give a palindrome (21512).

The spelling of 2142983 in words is "two million, one hundred forty-two thousand, nine hundred eighty-three".