2140352 has 28 divisors (see below), whose sum is σ = 4334256. Its totient is φ = 1048320.

The previous prime is 2140349. The next prime is 2140363. The reversal of 2140352 is 2530412.

It is a super-2 number, since 2×2140352² = 9162213367808, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2140352.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3077 + ... + 3707.

2^2140352 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 2140352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167128).

2140352 is an abundant number, since it is smaller than the sum of its proper divisors (2193904).

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

2140352 is an equidigital number, since it uses as much as digits as its factorization.

2140352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2140352 is about 1462.9941900090. The cubic root of 2140352 is about 128.8729394101.

Adding to 2140352 its sum of digits (17), we get a square (2140369 = 1463²).

Adding to 2140352 its reverse (2530412), we get a palindrome (4670764).

The spelling of 2140352 in words is "two million, one hundred forty thousand, three hundred fifty-two".