2113670 has 32 divisors (see below), whose sum is σ = 4173120. Its totient is φ = 766080.

The previous prime is 2113669. The next prime is 2113679. The reversal of 2113670 is 763112.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113679) 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 15 ways as a sum of consecutive naturals, for example, 9116 + ... + 9344.

It is an arithmetic number, because the mean of its divisors is an integer number (130410).

2^2113670 is an apocalyptic number.

2113670 is a deficient number, since it is larger than the sum of its proper divisors (2059450).

2113670 is a wasteful number, since it uses less digits than its factorization.

2113670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 2113670 is about 1453.8466218965. The cubic root of 2113670 is about 128.3351810982.

Adding to 2113670 its reverse (763112), we get a palindrome (2876782).

The spelling of 2113670 in words is "two million, one hundred thirteen thousand, six hundred seventy".