4979565 has 24 divisors (see below), whose sum is σ = 8686080. Its totient is φ = 2638944.

The previous prime is 4979563. The next prime is 4979581. The reversal of 4979565 is 5659794.

It is a happy number.

It is not a de Polignac number, because 4979565 - 2¹ = 4979563 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a d-powerful number, because it can be written as 4⁴ + 9⁶ + 7⁴ + 9⁶ + 5⁹ + 6⁵ + 5⁹ .

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 4979565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4979563) 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, 10524 + ... + 10986.

It is an arithmetic number, because the mean of its divisors is an integer number (361920).

Almost surely, 2^4979565 is an apocalyptic number.

4979565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4979565 is a deficient number, since it is larger than the sum of its proper divisors (3706515).

4979565 is a wasteful number, since it uses less digits than its factorization.

4979565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 4979565 is about 2231.4938942332. The cubic root of 4979565 is about 170.7643208586.

The spelling of 4979565 in words is "four million, nine hundred seventy-nine thousand, five hundred sixty-five".