39379663 has 2 divisors, whose sum is σ = 39379664. Its totient is φ = 39379662.

The previous prime is 39379649. The next prime is 39379757. The reversal of 39379663 is 36697393.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (36697393) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39379663 - 2¹⁷ = 39248591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39379643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19689831 + 19689832.

It is an arithmetic number, because the mean of its divisors is an integer number (19689832).

Almost surely, 2^39379663 is an apocalyptic number.

39379663 is a deficient number, since it is larger than the sum of its proper divisors (1).

39379663 is an equidigital number, since it uses as much as digits as its factorization.

39379663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 46.

The square root of 39379663 is about 6275.3217447395. The cubic root of 39379663 is about 340.2180348894.

The spelling of 39379663 in words is "thirty-nine million, three hundred seventy-nine thousand, six hundred sixty-three".