2164460 has 12 divisors (see below), whose sum is σ = 4545408. Its totient is φ = 865776.

The previous prime is 2164453. The next prime is 2164471. The reversal of 2164460 is 644612.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54092 + ... + 54131.

It is an arithmetic number, because the mean of its divisors is an integer number (378784).

2^2164460 is an apocalyptic number.

2164460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2164460 is an abundant number, since it is smaller than the sum of its proper divisors (2380948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2164460 is a wasteful number, since it uses less digits than its factorization.

2164460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108232 (or 108230 counting only the distinct ones).

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

The square root of 2164460 is about 1471.2103860427. The cubic root of 2164460 is about 129.3549904097.

Adding to 2164460 its product of nonzero digits (1152), we get a palindrome (2165612).

The spelling of 2164460 in words is "two million, one hundred sixty-four thousand, four hundred sixty".