Search a number
-
+
4384393 = 13337261
BaseRepresentation
bin10000101110011010001001
322020202020221
4100232122021
52110300033
6233550041
752160326
oct20563211
98222227
104384393
112525072
121575321
13ba6820
14821b4d
155b912d
hex42e689

4384393 has 4 divisors (see below), whose sum is σ = 4721668. Its totient is φ = 4047120.

The previous prime is 4384379. The next prime is 4384433. The reversal of 4384393 is 3934834.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3934834 = 21967417.

It can be written as a sum of positive squares in 2 ways, for example, as 898704 + 3485689 = 948^2 + 1867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4384393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4384313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168618 + ... + 168643.

It is an arithmetic number, because the mean of its divisors is an integer number (1180417).

Almost surely, 24384393 is an apocalyptic number.

It is an amenable number.

4384393 is a deficient number, since it is larger than the sum of its proper divisors (337275).

4384393 is a wasteful number, since it uses less digits than its factorization.

4384393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337274.

The product of its digits is 31104, while the sum is 34.

The square root of 4384393 is about 2093.8942189136. The cubic root of 4384393 is about 163.6702799414.

The spelling of 4384393 in words is "four million, three hundred eighty-four thousand, three hundred ninety-three".

Divisors: 1 13 337261 4384393