499740 has 24 divisors (see below), whose sum is σ = 1399440. Its totient is φ = 133248.

The previous prime is 499739. The next prime is 499747. The reversal of 499740 is 47994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499747) 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, 4105 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (58310).

2⁴⁹⁹⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

499740 is an abundant number, since it is smaller than the sum of its proper divisors (899700).

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

499740 is a wasteful number, since it uses less digits than its factorization.

499740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341 (or 8339 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 499740 is about 706.9229095170. The cubic root of 499740 is about 79.3562927373.

The spelling of 499740 in words is "four hundred ninety-nine thousand, seven hundred forty".