499280 has 30 divisors (see below), whose sum is σ = 1175706. Its totient is φ = 197184.

The previous prime is 499277. The next prime is 499283. The reversal of 499280 is 82994.

It is an interprime number because it is at equal distance from previous prime (499277) and next prime (499283).

It can be written as a sum of positive squares in only one way, i.e., 399424 + 99856 = 632^2 + 316^2 .

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 5 ways as a sum of consecutive naturals, for example, 6281 + ... + 6359.

2⁴⁹⁹²⁸⁰ is an apocalyptic number.

499280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587853).

499280 is an abundant number, since it is smaller than the sum of its proper divisors (676426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499280 is an equidigital number, since it uses as much as digits as its factorization.

499280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 499280 is about 706.5974808899. The cubic root of 499280 is about 79.3319366717.

The spelling of 499280 in words is "four hundred ninety-nine thousand, two hundred eighty".