2160442 has 12 divisors (see below), whose sum is σ = 3369870. Its totient is φ = 1037568.

The previous prime is 2160419. The next prime is 2160443. The reversal of 2160442 is 2440612.

It can be written as a sum of positive squares in 3 ways, for example, as 1366561 + 793881 = 1169^2 + 891^2 .

It is not an unprimeable number, because it can be changed into a prime (2160443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11098 + ... + 11290.

2^2160442 is an apocalyptic number.

2160442 is a deficient number, since it is larger than the sum of its proper divisors (1209428).

2160442 is an equidigital number, since it uses as much as digits as its factorization.

2160442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2160442 is about 1469.8442094317. The cubic root of 2160442 is about 129.2748980240.

The spelling of 2160442 in words is "two million, one hundred sixty thousand, four hundred forty-two".