499970648 has 8 divisors (see below), whose sum is σ = 937444980. Its totient is φ = 249985320.

The previous prime is 499970623. The next prime is 499970659. The reversal of 499970648 is 846079994.

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

It is a junction number, because it is equal to n+sod(n) for n = 499970593 and 499970602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31248158 + ... + 31248173.

Almost surely, 2^499970648 is an apocalyptic number.

It is an amenable number.

499970648 is a deficient number, since it is larger than the sum of its proper divisors (437474332).

499970648 is a wasteful number, since it uses less digits than its factorization.

499970648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62496337 (or 62496333 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 56.

The square root of 499970648 is about 22360.0234346925. The cubic root of 499970648 is about 793.6849945483.

The spelling of 499970648 in words is "four hundred ninety-nine million, nine hundred seventy thousand, six hundred forty-eight".