2164612 has 6 divisors (see below), whose sum is σ = 3788078. Its totient is φ = 1082304.

The previous prime is 2164609. The next prime is 2164619.

2164612 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 21316 = 1464^2 + 146^2 .

It is a super-2 number, since 2×2164612² = 9371090221088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164619) 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 as a sum of consecutive naturals, namely, 270573 + ... + 270580.

2^2164612 is an apocalyptic number.

It is an amenable number.

2164612 is a deficient number, since it is larger than the sum of its proper divisors (1623466).

2164612 is a wasteful number, since it uses less digits than its factorization.

2164612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541157 (or 541155 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2164612 is about 1471.2620432812. The cubic root of 2164612 is about 129.3580183395.

The spelling of 2164612 in words is "two million, one hundred sixty-four thousand, six hundred twelve".