39396287 has 4 divisors (see below), whose sum is σ = 45024336. Its totient is φ = 33768240.

The previous prime is 39396283. The next prime is 39396307. The reversal of 39396287 is 78269393.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 39396287 - 2² = 39396283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39396281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2814014 + ... + 2814027.

It is an arithmetic number, because the mean of its divisors is an integer number (11256084).

Almost surely, 2^39396287 is an apocalyptic number.

39396287 is a deficient number, since it is larger than the sum of its proper divisors (5628049).

39396287 is an equidigital number, since it uses as much as digits as its factorization.

39396287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5628048.

The product of its digits is 489888, while the sum is 47.

The square root of 39396287 is about 6276.6461585786. The cubic root of 39396287 is about 340.2659021429.

The spelling of 39396287 in words is "thirty-nine million, three hundred ninety-six thousand, two hundred eighty-seven".