2140984 has 32 divisors (see below), whose sum is σ = 4233600. Its totient is φ = 1013760.

The previous prime is 2140973. The next prime is 2140987. The reversal of 2140984 is 4890412.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 22024 + ... + 22120.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

2^2140984 is an apocalyptic number.

It is an amenable number.

2140984 is a deficient number, since it is larger than the sum of its proper divisors (2092616).

2140984 is a wasteful number, since it uses less digits than its factorization.

2140984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 2140984 is about 1463.2101694562. The cubic root of 2140984 is about 128.8856226327.

It can be divided in two parts, 21409 and 84, that multiplied together give a triangular number (1798356 = T₁₈₉₆).

The spelling of 2140984 in words is "two million, one hundred forty thousand, nine hundred eighty-four".