9954945 has 144 divisors (see below), whose sum is σ = 24665472. Its totient is φ = 3594240.

The previous prime is 9954907. The next prime is 9954949. The reversal of 9954945 is 5494599.

9954945 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9954945 - 2⁶ = 9954881 is a prime.

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

Its product of digits (291600) is a multiple of the sum of its prime factors (72).

9954945 is strictly pandigital in base 8.

9954945 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9954945.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9954949) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 585577 + ... + 585593.

It is an arithmetic number, because the mean of its divisors is an integer number (171288).

Almost surely, 2^9954945 is an apocalyptic number.

It is an amenable number.

9954945 is an abundant number, since it is smaller than the sum of its proper divisors (14710527).

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

9954945 is a wasteful number, since it uses less digits than its factorization.

9954945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 56 counting only the distinct ones).

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

The square root of 9954945 is about 3155.1457969482. The cubic root of 9954945 is about 215.1194216665.

The spelling of 9954945 in words is "nine million, nine hundred fifty-four thousand, nine hundred forty-five".