2140530 has 32 divisors (see below), whose sum is σ = 5871744. Its totient is φ = 489216.

The previous prime is 2140517. The next prime is 2140531. The reversal of 2140530 is 350412.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (2140531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4887 + ... + 5306.

It is an arithmetic number, because the mean of its divisors is an integer number (183492).

2^2140530 is an apocalyptic number.

2140530 is an abundant number, since it is smaller than the sum of its proper divisors (3731214).

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

2140530 is a wasteful number, since it uses less digits than its factorization.

2140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10210.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2140530 is about 1463.0550228887. The cubic root of 2140530 is about 128.8765118361.

Adding to 2140530 its reverse (350412), we get a palindrome (2490942).

The spelling of 2140530 in words is "two million, one hundred forty thousand, five hundred thirty".