2164974 has 32 divisors (see below), whose sum is σ = 5210880. Its totient is φ = 585792.

The previous prime is 2164963. The next prime is 2164979. The reversal of 2164974 is 4794612.

It is a happy number.

It is a super-2 number, since 2×2164974² = 9374224841352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559 + ... + 2154.

It is an arithmetic number, because the mean of its divisors is an integer number (162840).

2^2164974 is an apocalyptic number.

2164974 is an abundant number, since it is smaller than the sum of its proper divisors (3045906).

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

2164974 is a wasteful number, since it uses less digits than its factorization.

2164974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744.

The product of its digits is 12096, while the sum is 33.

The square root of 2164974 is about 1471.3850617700. The cubic root of 2164974 is about 129.3652290224.

The spelling of 2164974 in words is "two million, one hundred sixty-four thousand, nine hundred seventy-four".