2113662 has 16 divisors (see below), whose sum is σ = 4342032. Its totient is φ = 685440.

The previous prime is 2113651. The next prime is 2113667. The reversal of 2113662 is 2663112.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4539 + ... + 4982.

It is an arithmetic number, because the mean of its divisors is an integer number (271377).

2^2113662 is an apocalyptic number.

2113662 is an abundant number, since it is smaller than the sum of its proper divisors (2228370).

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

2113662 is a wasteful number, since it uses less digits than its factorization.

2113662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563.

The product of its digits is 432, while the sum is 21.

The square root of 2113662 is about 1453.8438705721. The cubic root of 2113662 is about 128.3350191866.

Adding to 2113662 its reverse (2663112), we get a palindrome (4776774).

It can be divided in two parts, 2113 and 662, that added together give a triangular number (2775 = T₇₄).

The spelling of 2113662 in words is "two million, one hundred thirteen thousand, six hundred sixty-two".