39399067 has 2 divisors, whose sum is σ = 39399068. Its totient is φ = 39399066.

The previous prime is 39399029. The next prime is 39399077. The reversal of 39399067 is 76099393.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39399067 - 2⁷ = 39398939 is a prime.

It is not a weakly prime, because it can be changed into another prime (39399077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19699533 + 19699534.

It is an arithmetic number, because the mean of its divisors is an integer number (19699534).

Almost surely, 2^39399067 is an apocalyptic number.

39399067 is a deficient number, since it is larger than the sum of its proper divisors (1).

39399067 is an equidigital number, since it uses as much as digits as its factorization.

39399067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 46.

The square root of 39399067 is about 6276.8676105204. The cubic root of 39399067 is about 340.2739055787.

The spelling of 39399067 in words is "thirty-nine million, three hundred ninety-nine thousand, sixty-seven".