39230993 has 2 divisors, whose sum is σ = 39230994. Its totient is φ = 39230992.

The previous prime is 39230959. The next prime is 39231013. The reversal of 39230993 is 39903293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36385024 + 2845969 = 6032^2 + 1687^2 .

It is a cyclic number.

It is not a de Polignac number, because 39230993 - 2¹⁰ = 39229969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (39230923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19615496 + 19615497.

It is an arithmetic number, because the mean of its divisors is an integer number (19615497).

Almost surely, 2^39230993 is an apocalyptic number.

It is an amenable number.

39230993 is a deficient number, since it is larger than the sum of its proper divisors (1).

39230993 is an equidigital number, since it uses as much as digits as its factorization.

39230993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39366, while the sum is 38.

The square root of 39230993 is about 6263.4649356407. The cubic root of 39230993 is about 339.7893533734.

The spelling of 39230993 in words is "thirty-nine million, two hundred thirty thousand, nine hundred ninety-three".