9942615 has 32 divisors (see below), whose sum is σ = 18063360. Its totient is φ = 5186592.

The previous prime is 9942607. The next prime is 9942617. The reversal of 9942615 is 5162499.

It is not a de Polignac number, because 9942615 - 2³ = 9942607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9942615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5562 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (564480).

Almost surely, 2^9942615 is an apocalyptic number.

9942615 is a deficient number, since it is larger than the sum of its proper divisors (8120745).

9942615 is a wasteful number, since it uses less digits than its factorization.

9942615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628 (or 1622 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 9942615 is about 3153.1912406323. The cubic root of 9942615 is about 215.0305707386.

The spelling of 9942615 in words is "nine million, nine hundred forty-two thousand, six hundred fifteen".