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4440085 = 51383823
BaseRepresentation
bin10000111100000000010101
322100120122121
4100330000111
52114040320
6235055541
752511566
oct20740025
98316577
104440085
1125629a1
1215a15b1
13bc5c90
1483816d
155ca8aa
hex43c015

4440085 has 16 divisors (see below), whose sum is σ = 5814144. Its totient is φ = 3235392.

The previous prime is 4440071. The next prime is 4440089. The reversal of 4440085 is 5800444.

It is a cyclic number.

It is not a de Polignac number, because 4440085 - 215 = 4407317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4984 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (363384).

Almost surely, 24440085 is an apocalyptic number.

It is an amenable number.

4440085 is a deficient number, since it is larger than the sum of its proper divisors (1374059).

4440085 is a wasteful number, since it uses less digits than its factorization.

4440085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4440085 is about 2107.1509200814. The cubic root of 4440085 is about 164.3603641303.

The spelling of 4440085 in words is "four million, four hundred forty thousand, eighty-five".

Divisors: 1 5 13 65 83 415 823 1079 4115 5395 10699 53495 68309 341545 888017 4440085