4309993 has 16 divisors (see below), whose sum is σ = 4859136. Its totient is φ = 3801600.

The previous prime is 4309957. The next prime is 4310021. The reversal of 4309993 is 3999034.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4309993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4309693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28468 + ... + 28618.

It is an arithmetic number, because the mean of its divisors is an integer number (303696).

Almost surely, 2^4309993 is an apocalyptic number.

It is an amenable number.

4309993 is a deficient number, since it is larger than the sum of its proper divisors (549143).

4309993 is a wasteful number, since it uses less digits than its factorization.

4309993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264.

The product of its (nonzero) digits is 26244, while the sum is 37.

The square root of 4309993 is about 2076.0522633113. The cubic root of 4309993 is about 162.7392043196.

The spelling of 4309993 in words is "four million, three hundred nine thousand, nine hundred ninety-three".