4323645 has 16 divisors (see below), whose sum is σ = 7686720. Its totient is φ = 2305872.

The previous prime is 4323643. The next prime is 4323647. The reversal of 4323645 is 5463234.

It is an interprime number because it is at equal distance from previous prime (4323643) and next prime (4323647).

It is not a de Polignac number, because 4323645 - 2¹ = 4323643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4323643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15879 + ... + 16148.

It is an arithmetic number, because the mean of its divisors is an integer number (480420).

Almost surely, 2^4323645 is an apocalyptic number.

4323645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4323645 is a deficient number, since it is larger than the sum of its proper divisors (3363075).

4323645 is a wasteful number, since it uses less digits than its factorization.

4323645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32041 (or 32035 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 4323645 is about 2079.3376349213. The cubic root of 4323645 is about 162.9108499161.

Adding to 4323645 its reverse (5463234), we get a palindrome (9786879).

The spelling of 4323645 in words is "four million, three hundred twenty-three thousand, six hundred forty-five".