2140986 has 8 divisors (see below), whose sum is σ = 4281984. Its totient is φ = 713660.

The previous prime is 2140973. The next prime is 2140987. The reversal of 2140986 is 6890412.

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

2140986 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2140987) 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, 178410 + ... + 178421.

It is an arithmetic number, because the mean of its divisors is an integer number (535248).

2^2140986 is an apocalyptic number.

2140986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2140986 is a wasteful number, since it uses less digits than its factorization.

2140986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356836.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2140986 is about 1463.2108528848. The cubic root of 2140986 is about 128.8856627655.

The spelling of 2140986 in words is "two million, one hundred forty thousand, nine hundred eighty-six".