499285 has 8 divisors (see below), whose sum is σ = 609336. Its totient is φ = 392640.

The previous prime is 499283. The next prime is 499309. The reversal of 499285 is 582994.

It can be written as a sum of positive squares in 4 ways, for example, as 39601 + 459684 = 199^2 + 678^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499285 - 2¹ = 499283 is a prime.

It is a super-2 number, since 2×499285² = 498571022450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514 + ... + 1123.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2⁴⁹⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

499285 is a deficient number, since it is larger than the sum of its proper divisors (110051).

499285 is a wasteful number, since it uses less digits than its factorization.

499285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 25920, while the sum is 37.

The square root of 499285 is about 706.6010189633. The cubic root of 499285 is about 79.3322014919.

It can be divided in two parts, 499 and 285, that added together give a square (784 = 28²).

The spelling of 499285 in words is "four hundred ninety-nine thousand, two hundred eighty-five".