499948664 has 8 divisors (see below), whose sum is σ = 937403760. Its totient is φ = 249974328.

The previous prime is 499948663. The next prime is 499948679. The reversal of 499948664 is 466849994.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499948663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31246784 + ... + 31246799.

It is an arithmetic number, because the mean of its divisors is an integer number (117175470).

Almost surely, 2^499948664 is an apocalyptic number.

It is an amenable number.

499948664 is a deficient number, since it is larger than the sum of its proper divisors (437455096).

499948664 is a wasteful number, since it uses less digits than its factorization.

499948664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62493589 (or 62493585 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 59.

The square root of 499948664 is about 22359.5318376750. The cubic root of 499948664 is about 793.6733614476.

The spelling of 499948664 in words is "four hundred ninety-nine million, nine hundred forty-eight thousand, six hundred sixty-four".