2164938 has 8 divisors (see below), whose sum is σ = 4329888. Its totient is φ = 721644.

The previous prime is 2164927. The next prime is 2164963. The reversal of 2164938 is 8394612.

It is a sphenic number, since it is the product of 3 distinct primes.

2164938 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2164899 and 2164908.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180406 + ... + 180417.

It is an arithmetic number, because the mean of its divisors is an integer number (541236).

2^2164938 is an apocalyptic number.

2164938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2164938 is a wasteful number, since it uses less digits than its factorization.

2164938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360828.

The product of its digits is 10368, while the sum is 33.

The square root of 2164938 is about 1471.3728283477. The cubic root of 2164938 is about 129.3645119739.

The spelling of 2164938 in words is "two million, one hundred sixty-four thousand, nine hundred thirty-eight".