9965542 has 8 divisors (see below), whose sum is σ = 15313032. Its totient is φ = 4861200.

The previous prime is 9965533. The next prime is 9965573. The reversal of 9965542 is 2455699.

9965542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9965495 and 9965504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60684 + ... + 60847.

It is an arithmetic number, because the mean of its divisors is an integer number (1914129).

Almost surely, 2^9965542 is an apocalyptic number.

9965542 is a deficient number, since it is larger than the sum of its proper divisors (5347490).

9965542 is a wasteful number, since it uses less digits than its factorization.

9965542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121574.

The product of its digits is 97200, while the sum is 40.

The square root of 9965542 is about 3156.8246704561. The cubic root of 9965542 is about 215.1957258586.

The spelling of 9965542 in words is "nine million, nine hundred sixty-five thousand, five hundred forty-two".