4293645 has 8 divisors (see below), whose sum is σ = 6869856. Its totient is φ = 2289936.

The previous prime is 4293637. The next prime is 4293649. The reversal of 4293645 is 5463924.

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

It is not a de Polignac number, because 4293645 - 2³ = 4293637 is a prime.

It is a super-3 number, since 3×4293645³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁴ + 2⁹ + 9³ + 3⁹ + 6² + 4¹¹ + 5⁷ .

4293645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4293649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 143107 + ... + 143136.

It is an arithmetic number, because the mean of its divisors is an integer number (858732).

Almost surely, 2^4293645 is an apocalyptic number.

It is an amenable number.

4293645 is a deficient number, since it is larger than the sum of its proper divisors (2576211).

4293645 is a wasteful number, since it uses less digits than its factorization.

4293645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286251.

The product of its digits is 25920, while the sum is 33.

The square root of 4293645 is about 2072.1112421875. Note that the first 3 decimals coincide. The cubic root of 4293645 is about 162.5331845443.

The spelling of 4293645 in words is "four million, two hundred ninety-three thousand, six hundred forty-five".