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4400089 = 19922111
BaseRepresentation
bin10000110010001111011001
322021112210021
4100302033121
52111300324
6234150441
752254151
oct20621731
98245707
104400089
112535941
121582421
13bb0a05
14827761
155bdae4
hex4323d9

4400089 has 4 divisors (see below), whose sum is σ = 4422400. Its totient is φ = 4377780.

The previous prime is 4400069. The next prime is 4400101. The reversal of 4400089 is 9800044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4400089 - 27 = 4399961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4400069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10857 + ... + 11254.

It is an arithmetic number, because the mean of its divisors is an integer number (1105600).

Almost surely, 24400089 is an apocalyptic number.

It is an amenable number.

4400089 is a deficient number, since it is larger than the sum of its proper divisors (22311).

4400089 is a wasteful number, since it uses less digits than its factorization.

4400089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22310.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4400089 is about 2097.6389107756. The cubic root of 4400089 is about 163.8653589550.

The spelling of 4400089 in words is "four million, four hundred thousand, eighty-nine".

Divisors: 1 199 22111 4400089