2113946 has 8 divisors (see below), whose sum is σ = 3200340. Its totient is φ = 1047168.

The previous prime is 2113939. The next prime is 2113949. The reversal of 2113946 is 6493112.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 25921 = 1445^2 + 161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2113949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4631 + ... + 5066.

2^2113946 is an apocalyptic number.

2113946 is a deficient number, since it is larger than the sum of its proper divisors (1086394).

2113946 is a wasteful number, since it uses less digits than its factorization.

2113946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9808.

The product of its digits is 1296, while the sum is 26.

The square root of 2113946 is about 1453.9415394025. The cubic root of 2113946 is about 128.3407667964.

The spelling of 2113946 in words is "two million, one hundred thirteen thousand, nine hundred forty-six".