499438 has 16 divisors (see below), whose sum is σ = 792000. Its totient is φ = 235872.

The previous prime is 499423. The next prime is 499439. The reversal of 499438 is 834994.

499438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 499397 and 499406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499439) 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, 4528 + ... + 4636.

It is an arithmetic number, because the mean of its divisors is an integer number (49500).

2⁴⁹⁹⁴³⁸ is an apocalyptic number.

499438 is a deficient number, since it is larger than the sum of its proper divisors (292562).

499438 is a wasteful number, since it uses less digits than its factorization.

499438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its digits is 31104, while the sum is 37.

The square root of 499438 is about 706.7092754450. The cubic root of 499438 is about 79.3403041368.

The spelling of 499438 in words is "four hundred ninety-nine thousand, four hundred thirty-eight".