2113736 has 24 divisors (see below), whose sum is σ = 4094370. Its totient is φ = 1022976.

The previous prime is 2113733. The next prime is 2113739. The reversal of 2113736 is 6373112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2113733) and next prime (2113739).

It can be written as a sum of positive squares in 3 ways, for example, as 2102500 + 11236 = 1450^2 + 106^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10856 + ... + 11048.

2^2113736 is an apocalyptic number.

It is an amenable number.

2113736 is a deficient number, since it is larger than the sum of its proper divisors (1980634).

2113736 is a wasteful number, since it uses less digits than its factorization.

2113736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 232 counting only the distinct ones).

The product of its digits is 756, while the sum is 23.

The square root of 2113736 is about 1453.8693201247. The cubic root of 2113736 is about 128.3365168529.

Adding to 2113736 its reverse (6373112), we get a palindrome (8486848).

The spelling of 2113736 in words is "two million, one hundred thirteen thousand, seven hundred thirty-six".