39245247 has 6 divisors (see below), whose sum is σ = 56687592. Its totient is φ = 26163492.

The previous prime is 39245221. The next prime is 39245249. The reversal of 39245247 is 74254293.

It is not a de Polignac number, because 39245247 - 2⁸ = 39244991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39245249) 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 in 5 ways as a sum of consecutive naturals, for example, 2180283 + ... + 2180300.

It is an arithmetic number, because the mean of its divisors is an integer number (9447932).

Almost surely, 2^39245247 is an apocalyptic number.

39245247 is a deficient number, since it is larger than the sum of its proper divisors (17442345).

39245247 is a wasteful number, since it uses less digits than its factorization.

39245247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360589 (or 4360586 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 39245247 is about 6264.6027008901. The cubic root of 39245247 is about 339.8305008660.

The spelling of 39245247 in words is "thirty-nine million, two hundred forty-five thousand, two hundred forty-seven".