9965406 has 16 divisors (see below), whose sum is σ = 21742848. Its totient is φ = 3019800.

The previous prime is 9965401. The next prime is 9965407. The reversal of 9965406 is 6045699.

9965406 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9965401) 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, 75430 + ... + 75561.

It is an arithmetic number, because the mean of its divisors is an integer number (1358928).

Almost surely, 2^9965406 is an apocalyptic number.

9965406 is an abundant number, since it is smaller than the sum of its proper divisors (11777442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9965406 is a wasteful number, since it uses less digits than its factorization.

9965406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151007.

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 9965406 is about 3156.8031297501. The cubic root of 9965406 is about 215.1947469270.

The spelling of 9965406 in words is "nine million, nine hundred sixty-five thousand, four hundred six".