34438993 has 2 divisors, whose sum is σ = 34438994. Its totient is φ = 34438992.

The previous prime is 34438973. The next prime is 34439003. The reversal of 34438993 is 39983443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33039504 + 1399489 = 5748^2 + 1183^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34438993 is a prime.

It is not a weakly prime, because it can be changed into another prime (34438903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17219496 + 17219497.

It is an arithmetic number, because the mean of its divisors is an integer number (17219497).

Almost surely, 2^34438993 is an apocalyptic number.

It is an amenable number.

34438993 is a deficient number, since it is larger than the sum of its proper divisors (1).

34438993 is an equidigital number, since it uses as much as digits as its factorization.

34438993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 43.

The square root of 34438993 is about 5868.4745036508. The cubic root of 34438993 is about 325.3495033012.

The spelling of 34438993 in words is "thirty-four million, four hundred thirty-eight thousand, nine hundred ninety-three".