2116964 has 6 divisors (see below), whose sum is σ = 3704694. Its totient is φ = 1058480.

The previous prime is 2116957. The next prime is 2116967. The reversal of 2116964 is 4696112.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 652864 = 1210^2 + 808^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264617 + ... + 264624.

It is an arithmetic number, because the mean of its divisors is an integer number (617449).

2^2116964 is an apocalyptic number.

It is an amenable number.

2116964 is a deficient number, since it is larger than the sum of its proper divisors (1587730).

2116964 is a wasteful number, since it uses less digits than its factorization.

2116964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529245 (or 529243 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 2116964 is about 1454.9790376497. The cubic root of 2116964 is about 128.4018134920.

The spelling of 2116964 in words is "two million, one hundred sixteen thousand, nine hundred sixty-four".