2164046 has 4 divisors (see below), whose sum is σ = 3246072. Its totient is φ = 1082022.

The previous prime is 2164039. The next prime is 2164073. The reversal of 2164046 is 6404612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541010 + ... + 541013.

It is an arithmetic number, because the mean of its divisors is an integer number (811518).

2^2164046 is an apocalyptic number.

2164046 is a deficient number, since it is larger than the sum of its proper divisors (1082026).

2164046 is a wasteful number, since it uses less digits than its factorization.

2164046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082025.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2164046 is about 1471.0696788392. The cubic root of 2164046 is about 129.3467425664.

Adding to 2164046 its reverse (6404612), we get a palindrome (8568658).

The spelling of 2164046 in words is "two million, one hundred sixty-four thousand, forty-six".