498309644 has 48 divisors (see below), whose sum is σ = 1060008768. Its totient is φ = 200091648.

The previous prime is 498309631. The next prime is 498309653. The reversal of 498309644 is 446903894.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108662 + ... + 113154.

It is an arithmetic number, because the mean of its divisors is an integer number (22083516).

Almost surely, 2^498309644 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 498309644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (530004384).

498309644 is an abundant number, since it is smaller than the sum of its proper divisors (561699124).

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

498309644 is a wasteful number, since it uses less digits than its factorization.

498309644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4754 (or 4752 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 498309644 is about 22322.8502660391. The cubic root of 498309644 is about 792.8050918589.

The spelling of 498309644 in words is "four hundred ninety-eight million, three hundred nine thousand, six hundred forty-four".