2140516 has 36 divisors (see below), whose sum is σ = 4449648. Its totient is φ = 898128.

The previous prime is 2140513. The next prime is 2140517. The reversal of 2140516 is 6150412.

It is a junction number, because it is equal to n+sod(n) for n = 2140493 and 2140502.

It is not an unprimeable number, because it can be changed into a prime (2140513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13051 + ... + 13213.

2^2140516 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 2140516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2224824).

2140516 is an abundant number, since it is smaller than the sum of its proper divisors (2309132).

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

2140516 is a wasteful number, since it uses less digits than its factorization.

2140516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2140516 is about 1463.0502383719. The cubic root of 2140516 is about 128.8762308660.

Adding to 2140516 its reverse (6150412), we get a palindrome (8290928).

The spelling of 2140516 in words is "two million, one hundred forty thousand, five hundred sixteen".