499690 has 16 divisors (see below), whose sum is σ = 909792. Its totient is φ = 197584.

The previous prime is 499687. The next prime is 499691. The reversal of 499690 is 96994.

It is a super-2 number, since 2×499690² = 499380192200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (499691) 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, 837 + ... + 1303.

It is an arithmetic number, because the mean of its divisors is an integer number (56862).

2⁴⁹⁹⁶⁹⁰ is an apocalyptic number.

499690 is a deficient number, since it is larger than the sum of its proper divisors (410102).

499690 is a wasteful number, since it uses less digits than its factorization.

499690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 499690 is about 706.8875440974. The cubic root of 499690 is about 79.3536460631.

The spelling of 499690 in words is "four hundred ninety-nine thousand, six hundred ninety".