499140 has 72 divisors (see below), whose sum is σ = 1572480. Its totient is φ = 128064.

The previous prime is 499139. The next prime is 499141. The reversal of 499140 is 41994.

It is an interprime number because it is at equal distance from previous prime (499139) and next prime (499141).

It is not an unprimeable number, because it can be changed into a prime (499141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8431 + ... + 8489.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2⁴⁹⁹¹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (786240).

499140 is an abundant number, since it is smaller than the sum of its proper divisors (1073340).

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

499140 is a wasteful number, since it uses less digits than its factorization.

499140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 499140 is about 706.4984076415. The cubic root of 499140 is about 79.3245209868.

The spelling of 499140 in words is "four hundred ninety-nine thousand, one hundred forty".