9959406 has 16 divisors (see below), whose sum is σ = 20072448. Its totient is φ = 3294200.

The previous prime is 9959393. The next prime is 9959407. The reversal of 9959406 is 6049599.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959407) 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, 5550 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (1254528).

Almost surely, 2^9959406 is an apocalyptic number.

9959406 is an abundant number, since it is smaller than the sum of its proper divisors (10113042).

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

9959406 is a wasteful number, since it uses less digits than its factorization.

9959406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12807.

The product of its (nonzero) digits is 87480, while the sum is 42.

The square root of 9959406 is about 3155.8526581575. The cubic root of 9959406 is about 215.1515499013.

It can be divided in two parts, 995 and 9406, that added together give a palindrome (10401).

The spelling of 9959406 in words is "nine million, nine hundred fifty-nine thousand, four hundred six".