Search a number
-
+
4400397 = 32598287
BaseRepresentation
bin10000110010010100001101
322021120012200
4100302110031
52111303042
6234152113
752255101
oct20622415
98246180
104400397
1125360a1
121582639
13bb0bb1
14827901
155bdc4c
hex43250d

4400397 has 12 divisors (see below), whose sum is σ = 6464640. Its totient is φ = 2883528.

The previous prime is 4400393. The next prime is 4400401. The reversal of 4400397 is 7930044.

It is an interprime number because it is at equal distance from previous prime (4400393) and next prime (4400401).

It is not a de Polignac number, because 4400397 - 22 = 4400393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4400397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3613 + ... + 4674.

It is an arithmetic number, because the mean of its divisors is an integer number (538720).

Almost surely, 24400397 is an apocalyptic number.

It is an amenable number.

4400397 is a deficient number, since it is larger than the sum of its proper divisors (2064243).

4400397 is a wasteful number, since it uses less digits than its factorization.

4400397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352 (or 8349 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4400397 is about 2097.7123253678. The cubic root of 4400397 is about 163.8691823135.

It can be divided in two parts, 44003 and 97, that added together give a square (44100 = 2102).

The spelling of 4400397 in words is "four million, four hundred thousand, three hundred ninety-seven".

Divisors: 1 3 9 59 177 531 8287 24861 74583 488933 1466799 4400397