6438498 has 16 divisors (see below), whose sum is σ = 14047776. Its totient is φ = 1951040.

The previous prime is 6438463. The next prime is 6438539. The reversal of 6438498 is 8948346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48711 + ... + 48842.

It is an arithmetic number, because the mean of its divisors is an integer number (877986).

Almost surely, 2^6438498 is an apocalyptic number.

6438498 is an abundant number, since it is smaller than the sum of its proper divisors (7609278).

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

6438498 is a wasteful number, since it uses less digits than its factorization.

6438498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97569.

The product of its digits is 165888, while the sum is 42.

The square root of 6438498 is about 2537.4195553751. The cubic root of 6438498 is about 186.0350841438.

The spelling of 6438498 in words is "six million, four hundred thirty-eight thousand, four hundred ninety-eight".