39152947 has 2 divisors, whose sum is σ = 39152948. Its totient is φ = 39152946.

The previous prime is 39152933. The next prime is 39152999. The reversal of 39152947 is 74925193.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39152947 - 2¹⁹ = 38628659 is a prime.

It is not a weakly prime, because it can be changed into another prime (39152917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19576473 + 19576474.

It is an arithmetic number, because the mean of its divisors is an integer number (19576474).

Almost surely, 2^39152947 is an apocalyptic number.

39152947 is a deficient number, since it is larger than the sum of its proper divisors (1).

39152947 is an equidigital number, since it uses as much as digits as its factorization.

39152947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 40.

The square root of 39152947 is about 6257.2315763443. The cubic root of 39152947 is about 339.5638785380.

The spelling of 39152947 in words is "thirty-nine million, one hundred fifty-two thousand, nine hundred forty-seven".