2142016 has 14 divisors (see below), whose sum is σ = 4250690. Its totient is φ = 1070976.

The previous prime is 2142001. The next prime is 2142029. The reversal of 2142016 is 6102412.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 462400 = 1296^2 + 680^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16671 + ... + 16798.

2^2142016 is an apocalyptic number.

It is an amenable number.

2142016 is a deficient number, since it is larger than the sum of its proper divisors (2108674).

2142016 is an equidigital number, since it uses as much as digits as its factorization.

2142016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33481 (or 33471 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2142016 is about 1463.5627762416. The cubic root of 2142016 is about 128.9063278469.

Adding to 2142016 its reverse (6102412), we get a palindrome (8244428).

The spelling of 2142016 in words is "two million, one hundred forty-two thousand, sixteen".