499642 has 16 divisors (see below), whose sum is σ = 880992. Its totient is φ = 209520.

The previous prime is 499637. The next prime is 499649. The reversal of 499642 is 246994.

It is a junction number, because it is equal to n+sod(n) for n = 499598 and 499607.

It is not an unprimeable number, because it can be changed into a prime (499649) 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, 588 + ... + 1159.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁴⁹⁹⁶⁴² is an apocalyptic number.

499642 is a deficient number, since it is larger than the sum of its proper divisors (381350).

499642 is a wasteful number, since it uses less digits than its factorization.

499642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1773.

The product of its digits is 15552, while the sum is 34.

The square root of 499642 is about 706.8535916298. The cubic root of 499642 is about 79.3511050897.

The spelling of 499642 in words is "four hundred ninety-nine thousand, six hundred forty-two".