498707664 has 320 divisors, whose sum is σ = 1706557440. Its totient is φ = 121927680.

The previous prime is 498707659. The next prime is 498707669. The reversal of 498707664 is 466707894.

It is an interprime number because it is at equal distance from previous prime (498707659) and next prime (498707669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498707669) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3926769 + ... + 3926895.

It is an arithmetic number, because the mean of its divisors is an integer number (5332992).

Almost surely, 2^498707664 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 498707664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (853278720).

498707664 is an abundant number, since it is smaller than the sum of its proper divisors (1207849776).

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

498707664 is a wasteful number, since it uses less digits than its factorization.

498707664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The square root of 498707664 is about 22331.7635667226. The cubic root of 498707664 is about 793.0161174792.

The spelling of 498707664 in words is "four hundred ninety-eight million, seven hundred seven thousand, six hundred sixty-four".