39500963 has 4 divisors (see below), whose sum is σ = 39520080. Its totient is φ = 39481848.

The previous prime is 39500947. The next prime is 39500971. The reversal of 39500963 is 36900593.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36900593 = 47 ⋅785119.

It is a cyclic number.

It is not a de Polignac number, because 39500963 - 2⁴ = 39500947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39500663) 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, 6023 + ... + 10736.

It is an arithmetic number, because the mean of its divisors is an integer number (9880020).

Almost surely, 2^39500963 is an apocalyptic number.

39500963 is a deficient number, since it is larger than the sum of its proper divisors (19117).

39500963 is a wasteful number, since it uses less digits than its factorization.

39500963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19116.

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 39500963 is about 6284.9791566878. The cubic root of 39500963 is about 340.5669979852.

The spelling of 39500963 in words is "thirty-nine million, five hundred thousand, nine hundred sixty-three".