4345666 has 32 divisors (see below), whose sum is σ = 7539840. Its totient is φ = 1873872.

The previous prime is 4345651. The next prime is 4345669. The reversal of 4345666 is 6665434.

Its product of digits (51840) is a multiple of the sum of its prime divisors (81).

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4345669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101041 + ... + 101083.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

Almost surely, 2^4345666 is an apocalyptic number.

4345666 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

4345666 is a deficient number, since it is larger than the sum of its proper divisors (3194174).

4345666 is a wasteful number, since it uses less digits than its factorization.

4345666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 81 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

The square root of 4345666 is about 2084.6261055643. The cubic root of 4345666 is about 163.1869585007.

The spelling of 4345666 in words is "four million, three hundred forty-five thousand, six hundred sixty-six".