498910644 has 48 divisors (see below), whose sum is σ = 1302080640. Its totient is φ = 165196800.

The previous prime is 498910637. The next prime is 498910649. The reversal of 498910644 is 446019894.

It is a self number, because there is not a number n which added to its sum of digits gives 498910644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498910649) 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 15 ways as a sum of consecutive naturals, for example, 1012 + ... + 31604.

It is an arithmetic number, because the mean of its divisors is an integer number (27126680).

Almost surely, 2^498910644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 498910644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651040320).

498910644 is an abundant number, since it is smaller than the sum of its proper divisors (803169996).

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

498910644 is a wasteful number, since it uses less digits than its factorization.

498910644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30757 (or 30749 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 498910644 is about 22336.3077521778. The cubic root of 498910644 is about 793.1236919092.

The spelling of 498910644 in words is "four hundred ninety-eight million, nine hundred ten thousand, six hundred forty-four".