2146646 has 16 divisors (see below), whose sum is σ = 3339600. Its totient is φ = 1034208.

The previous prime is 2146633. The next prime is 2146663. The reversal of 2146646 is 6466412.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (208725).

2^2146646 is an apocalyptic number.

2146646 is a deficient number, since it is larger than the sum of its proper divisors (1192954).

2146646 is a wasteful number, since it uses less digits than its factorization.

2146646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 6912, while the sum is 29.

The square root of 2146646 is about 1465.1436789612. The cubic root of 2146646 is about 128.9991386678. Note that the first 3 decimals are identical.

It can be divided in two parts, 21466 and 46, that added together give a palindrome (21512).

The spelling of 2146646 in words is "two million, one hundred forty-six thousand, six hundred forty-six".