2164930 has 8 divisors (see below), whose sum is σ = 3896892. Its totient is φ = 865968.

The previous prime is 2164927. The next prime is 2164963. The reversal of 2164930 is 394612.

It can be written as a sum of positive squares in 2 ways, for example, as 2163841 + 1089 = 1471^2 + 33^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2164895 and 2164904.

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, 108237 + ... + 108256.

2^2164930 is an apocalyptic number.

2164930 is a deficient number, since it is larger than the sum of its proper divisors (1731962).

2164930 is a wasteful number, since it uses less digits than its factorization.

2164930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216500.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 2164930 is about 1471.3701097956. The cubic root of 2164930 is about 129.3643526287.

The spelling of 2164930 in words is "two million, one hundred sixty-four thousand, nine hundred thirty".