9994455 has 32 divisors (see below), whose sum is σ = 17968320. Its totient is φ = 5270400.

The previous prime is 9994451. The next prime is 9994469. The reversal of 9994455 is 5544999.

It is not a de Polignac number, because 9994455 - 2² = 9994451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9994455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994451) 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, 13269 + ... + 14001.

It is an arithmetic number, because the mean of its divisors is an integer number (561510).

Almost surely, 2^9994455 is an apocalyptic number.

9994455 is a deficient number, since it is larger than the sum of its proper divisors (7973865).

9994455 is a wasteful number, since it uses less digits than its factorization.

9994455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848 (or 842 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 9994455 is about 3161.4007971151. The cubic root of 9994455 is about 215.4036405061.

It can be divided in two parts, 99944 and 55, that added together give a palindrome (99999).

The spelling of 9994455 in words is "nine million, nine hundred ninety-four thousand, four hundred fifty-five".