9955845 has 32 divisors (see below), whose sum is σ = 18316800. Its totient is φ = 5124672.

The previous prime is 9955823. The next prime is 9955853. The reversal of 9955845 is 5485599.

9955845 is a `hidden beast` number, since 99 + 558 + 4 + 5 = 666.

9955845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9955845 - 2⁷ = 9955717 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9955845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2644 + ... + 5186.

It is an arithmetic number, because the mean of its divisors is an integer number (572400).

Almost surely, 2^9955845 is an apocalyptic number.

It is an amenable number.

9955845 is a deficient number, since it is larger than the sum of its proper divisors (8360955).

9955845 is a wasteful number, since it uses less digits than its factorization.

9955845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2580 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 9955845 is about 3155.2884178788. The cubic root of 9955845 is about 215.1259042620.

The spelling of 9955845 in words is "nine million, nine hundred fifty-five thousand, eight hundred forty-five".