499942 has 4 divisors (see below), whose sum is σ = 749916. Its totient is φ = 249970.

The previous prime is 499927. The next prime is 499943. The reversal of 499942 is 249994.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124984 + ... + 124987.

It is an arithmetic number, because the mean of its divisors is an integer number (187479).

2⁴⁹⁹⁹⁴² is an apocalyptic number.

499942 is a deficient number, since it is larger than the sum of its proper divisors (249974).

499942 is a wasteful number, since it uses less digits than its factorization.

499942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249973.

The product of its digits is 23328, while the sum is 37.

The square root of 499942 is about 707.0657678038. The cubic root of 499942 is about 79.3669835044.

It can be divided in two parts, 4999 and 42, that added together give a square (5041 = 71²).

The spelling of 499942 in words is "four hundred ninety-nine thousand, nine hundred forty-two".