4639365 has 24 divisors (see below), whose sum is σ = 8113248. Its totient is φ = 2452320.

The previous prime is 4639361. The next prime is 4639373. The reversal of 4639365 is 5639364.

It is not a de Polignac number, because 4639365 - 2² = 4639361 is a prime.

4639365 is a lucky number.

It is a plaindrome in base 12.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5502 + ... + 6288.

It is an arithmetic number, because the mean of its divisors is an integer number (338052).

Almost surely, 2^4639365 is an apocalyptic number.

4639365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4639365 is a deficient number, since it is larger than the sum of its proper divisors (3473883).

4639365 is a wasteful number, since it uses less digits than its factorization.

4639365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 926 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 4639365 is about 2153.9185221359. The cubic root of 4639365 is about 166.7834093189.

Subtracting 4639365 from its reverse (5639364), we obtain a palindrome (999999).

The spelling of 4639365 in words is "four million, six hundred thirty-nine thousand, three hundred sixty-five".