2142706 has 16 divisors (see below), whose sum is σ = 3420000. Its totient is φ = 1003968.

The previous prime is 2142691. The next prime is 2142713. The reversal of 2142706 is 6072412.

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, 4045 + ... + 4543.

It is an arithmetic number, because the mean of its divisors is an integer number (213750).

2^2142706 is an apocalyptic number.

2142706 is a deficient number, since it is larger than the sum of its proper divisors (1277294).

2142706 is a wasteful number, since it uses less digits than its factorization.

2142706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2142706 is about 1463.7984833986. The cubic root of 2142706 is about 128.9201677400.

The spelling of 2142706 in words is "two million, one hundred forty-two thousand, seven hundred six".