2184290 has 16 divisors (see below), whose sum is σ = 3968568. Its totient is φ = 865536.

The previous prime is 2184283. The next prime is 2184293. The reversal of 2184290 is 924812.

It can be written as a sum of positive squares in 4 ways, for example, as 1283689 + 900601 = 1133^2 + 949^2 .

It is a super-2 number, since 2×2184290² = 9542245608200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2184293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164 + ... + 2096.

2^2184290 is an apocalyptic number.

2184290 is a deficient number, since it is larger than the sum of its proper divisors (1784278).

2184290 is a wasteful number, since it uses less digits than its factorization.

2184290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 2184290 is about 1477.9343693141. The cubic root of 2184290 is about 129.7488246769.

The spelling of 2184290 in words is "two million, one hundred eighty-four thousand, two hundred ninety".