9942605 has 8 divisors (see below), whose sum is σ = 12559200. Its totient is φ = 7535376.

The previous prime is 9942593. The next prime is 9942607. The reversal of 9942605 is 5062499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9942605 - 2²⁰ = 8894029 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9942607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52235 + ... + 52424.

It is an arithmetic number, because the mean of its divisors is an integer number (1569900).

Almost surely, 2^9942605 is an apocalyptic number.

9942605 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9942605 is a deficient number, since it is larger than the sum of its proper divisors (2616595).

9942605 is a wasteful number, since it uses less digits than its factorization.

9942605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104683.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 9942605 is about 3153.1896549367. The cubic root of 9942605 is about 215.0304986480.

The spelling of 9942605 in words is "nine million, nine hundred forty-two thousand, six hundred five".