4306993 has 4 divisors (see below), whose sum is σ = 4455540. Its totient is φ = 4158448.

The previous prime is 4306987. The next prime is 4306999. The reversal of 4306993 is 3996034.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4306987) and next prime (4306999).

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 3621409 = 828^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 4306993 - 2²¹ = 2209841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4306999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74230 + ... + 74287.

It is an arithmetic number, because the mean of its divisors is an integer number (1113885).

Almost surely, 2^4306993 is an apocalyptic number.

It is an amenable number.

4306993 is a deficient number, since it is larger than the sum of its proper divisors (148547).

4306993 is a wasteful number, since it uses less digits than its factorization.

4306993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148546.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 4306993 is about 2075.3296123749. The cubic root of 4306993 is about 162.7014369781.

The spelling of 4306993 in words is "four million, three hundred six thousand, nine hundred ninety-three".