39370393 has 2 divisors, whose sum is σ = 39370394. Its totient is φ = 39370392.

The previous prime is 39370391. The next prime is 39370399. The reversal of 39370393 is 39307393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29560969 + 9809424 = 5437^2 + 3132^2 .

It is a cyclic number.

It is not a de Polignac number, because 39370393 - 2¹ = 39370391 is a prime.

Together with 39370391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (39370391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19685196 + 19685197.

It is an arithmetic number, because the mean of its divisors is an integer number (19685197).

Almost surely, 2^39370393 is an apocalyptic number.

It is an amenable number.

39370393 is a deficient number, since it is larger than the sum of its proper divisors (1).

39370393 is an equidigital number, since it uses as much as digits as its factorization.

39370393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45927, while the sum is 37.

The square root of 39370393 is about 6274.5830937203. The cubic root of 39370393 is about 340.1913369405.

The spelling of 39370393 in words is "thirty-nine million, three hundred seventy thousand, three hundred ninety-three".