39794971 has 2 divisors, whose sum is σ = 39794972. Its totient is φ = 39794970.

The previous prime is 39794957. The next prime is 39794999. The reversal of 39794971 is 17949793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39794971 - 2⁹ = 39794459 is a prime.

It is not a weakly prime, because it can be changed into another prime (39794921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19897485 + 19897486.

It is an arithmetic number, because the mean of its divisors is an integer number (19897486).

Almost surely, 2^39794971 is an apocalyptic number.

39794971 is a deficient number, since it is larger than the sum of its proper divisors (1).

39794971 is an equidigital number, since it uses as much as digits as its factorization.

39794971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The square root of 39794971 is about 6308.3255305984. The cubic root of 39794971 is about 341.4098636899.

The spelling of 39794971 in words is "thirty-nine million, seven hundred ninety-four thousand, nine hundred seventy-one".