499365 has 28 divisors (see below), whose sum is σ = 905004. Its totient is φ = 264384.

The previous prime is 499363. The next prime is 499391. The reversal of 499365 is 563994.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 263169 = 486^2 + 513^2 .

It is not a de Polignac number, because 499365 - 2¹ = 499363 is a prime.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499361) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3577 + ... + 3713.

2⁴⁹⁹³⁶⁵ is an apocalyptic number.

499365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499365 is a deficient number, since it is larger than the sum of its proper divisors (405639).

499365 is an equidigital number, since it uses as much as digits as its factorization.

499365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 145 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 499365 is about 706.6576257283. The cubic root of 499365 is about 79.3364383754.

The spelling of 499365 in words is "four hundred ninety-nine thousand, three hundred sixty-five".