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4444444 = 222394649
BaseRepresentation
bin10000111101000100011100
322100210122001
4100331010130
52114210234
6235132044
752530364
oct20750434
98323561
104444444
1125661a4
1215a4024
13bc7c64
148399a4
155cbd14
hex43d11c

4444444 has 12 divisors (see below), whose sum is σ = 7812000. Its totient is φ = 2212448.

The previous prime is 4444409. The next prime is 4444469.

4444444 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

4444444 is a modest number, since divided by 4444 gives 444 as remainder.

4444444 is a nontrivial repdigit in base 10.

It is a plaindrome in base 10.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a Kaprekar number, because its square (19753082469136) can be partitioned into two parts whose sum is 4444444.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369 + ... + 3280.

It is an arithmetic number, because the mean of its divisors is an integer number (651000).

Almost surely, 24444444 is an apocalyptic number.

It is an amenable number.

4444444 is a deficient number, since it is larger than the sum of its proper divisors (3367556).

4444444 is a wasteful number, since it uses less digits than its factorization.

4444444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892 (or 4890 counting only the distinct ones).

The product of its digits is 16384, while the sum is 28.

The square root of 4444444 is about 2108.1850013697. The cubic root of 4444444 is about 164.4141328082.

The spelling of 4444444 in words is "four million, four hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 239 478 956 4649 9298 18596 1111111 2222222 4444444