2140992 has 140 divisors (see below), whose sum is σ = 7376160. Its totient is φ = 601344.

The previous prime is 2140987. The next prime is 2140993. The reversal of 2140992 is 2990412.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 36259 + ... + 36317.

2^2140992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3688080).

2140992 is an abundant number, since it is smaller than the sum of its proper divisors (5235168).

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

2140992 is an equidigital number, since it uses as much as digits as its factorization.

2140992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2140992 is about 1463.2129031689. The cubic root of 2140992 is about 128.8857831638.

The spelling of 2140992 in words is "two million, one hundred forty thousand, nine hundred ninety-two".