39299047 has 2 divisors, whose sum is σ = 39299048. Its totient is φ = 39299046.

The previous prime is 39299021. The next prime is 39299059. The reversal of 39299047 is 74099293.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39299047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39298994 and 39299012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39299077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19649523 + 19649524.

It is an arithmetic number, because the mean of its divisors is an integer number (19649524).

Almost surely, 2^39299047 is an apocalyptic number.

39299047 is a deficient number, since it is larger than the sum of its proper divisors (1).

39299047 is an equidigital number, since it uses as much as digits as its factorization.

39299047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 39299047 is about 6268.8951977202. The cubic root of 39299047 is about 339.9857173931.

The spelling of 39299047 in words is "thirty-nine million, two hundred ninety-nine thousand, forty-seven".