498280638 has 16 divisors (see below), whose sum is σ = 1005705360. Its totient is φ = 164569536.

The previous prime is 498280637. The next prime is 498280649. The reversal of 498280638 is 836082894.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498280637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380295 + ... + 381602.

It is an arithmetic number, because the mean of its divisors is an integer number (62856585).

Almost surely, 2^498280638 is an apocalyptic number.

498280638 is an abundant number, since it is smaller than the sum of its proper divisors (507424722).

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

498280638 is a wasteful number, since it uses less digits than its factorization.

498280638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762011.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 498280638 is about 22322.2005635645. The cubic root of 498280638 is about 792.7897088195.

The spelling of 498280638 in words is "four hundred ninety-eight million, two hundred eighty thousand, six hundred thirty-eight".