9963715 has 12 divisors (see below), whose sum is σ = 12502224. Its totient is φ = 7622384.

The previous prime is 9963713. The next prime is 9963719. The reversal of 9963715 is 5173699.

It is not a de Polignac number, because 9963715 - 2¹ = 9963713 is a prime.

It is a Duffinian number.

9963715 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9963713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 762 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (1041852).

Almost surely, 2^9963715 is an apocalyptic number.

9963715 is a deficient number, since it is larger than the sum of its proper divisors (2538509).

9963715 is a wasteful number, since it uses less digits than its factorization.

9963715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3795 counting only the distinct ones).

The product of its digits is 51030, while the sum is 40.

The square root of 9963715 is about 3156.5352841367. The cubic root of 9963715 is about 215.1825743204.

The spelling of 9963715 in words is "nine million, nine hundred sixty-three thousand, seven hundred fifteen".