498386438 has 8 divisors (see below), whose sum is σ = 815541480. Its totient is φ = 226539280.

The previous prime is 498386407. The next prime is 498386443. The reversal of 498386438 is 834683894.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 498386438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11326943 + ... + 11326986.

It is an arithmetic number, because the mean of its divisors is an integer number (101942685).

Almost surely, 2^498386438 is an apocalyptic number.

498386438 is a deficient number, since it is larger than the sum of its proper divisors (317155042).

498386438 is a wasteful number, since it uses less digits than its factorization.

498386438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22653942.

The product of its digits is 3981312, while the sum is 53.

The square root of 498386438 is about 22324.5702758194. The cubic root of 498386438 is about 792.8458158998.

The spelling of 498386438 in words is "four hundred ninety-eight million, three hundred eighty-six thousand, four hundred thirty-eight".