2164746 has 32 divisors (see below), whose sum is σ = 4829760. Its totient is φ = 642816.

The previous prime is 2164739. The next prime is 2164787. The reversal of 2164746 is 6474612.

It is a super-2 number, since 2×2164746² = 9372250489032, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380 + ... + 2496.

It is an arithmetic number, because the mean of its divisors is an integer number (150930).

2^2164746 is an apocalyptic number.

2164746 is an abundant number, since it is smaller than the sum of its proper divisors (2665014).

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

2164746 is a wasteful number, since it uses less digits than its factorization.

2164746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158.

The product of its digits is 8064, while the sum is 30.

The square root of 2164746 is about 1471.3075817109. The cubic root of 2164746 is about 129.3606875810.

The spelling of 2164746 in words is "two million, one hundred sixty-four thousand, seven hundred forty-six".