9940615 has 16 divisors (see below), whose sum is σ = 12533760. Its totient is φ = 7558560.

The previous prime is 9940613. The next prime is 9940643. The reversal of 9940615 is 5160499.

It is not a de Polignac number, because 9940615 - 2¹ = 9940613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8602 + ... + 9688.

It is an arithmetic number, because the mean of its divisors is an integer number (783360).

Almost surely, 2^9940615 is an apocalyptic number.

9940615 is a deficient number, since it is larger than the sum of its proper divisors (2593145).

9940615 is a wasteful number, since it uses less digits than its factorization.

9940615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 9940615 is about 3152.8740856558. The cubic root of 9940615 is about 215.0161516620.

The spelling of 9940615 in words is "nine million, nine hundred forty thousand, six hundred fifteen".