2142986 has 8 divisors (see below), whose sum is σ = 3403620. Its totient is φ = 1008448.

The previous prime is 2142971. The next prime is 2143019. The reversal of 2142986 is 6892412.

It can be written as a sum of positive squares in 2 ways, for example, as 1739761 + 403225 = 1319^2 + 635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31481 + ... + 31548.

2^2142986 is an apocalyptic number.

2142986 is a deficient number, since it is larger than the sum of its proper divisors (1260634).

2142986 is a wasteful number, since it uses less digits than its factorization.

2142986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63048.

The product of its digits is 6912, while the sum is 32.

The square root of 2142986 is about 1463.8941218544. The cubic root of 2142986 is about 128.9257830810.

The spelling of 2142986 in words is "two million, one hundred forty-two thousand, nine hundred eighty-six".