499856670 has 40 divisors (see below), whose sum is σ = 1344061224. Its totient is φ = 133294896.

The previous prime is 499856653. The next prime is 499856681. The reversal of 499856670 is 76658994.

499856670 is a `hidden beast` number, since 4 + 9 + 9 + 8 + 566 + 70 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 307744 + ... + 309363.

Almost surely, 2^499856670 is an apocalyptic number.

499856670 is an abundant number, since it is smaller than the sum of its proper divisors (844204554).

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

499856670 is a wasteful number, since it uses less digits than its factorization.

499856670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617126 (or 617117 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The square root of 499856670 is about 22357.4745890496. The cubic root of 499856670 is about 793.6246780052.

The spelling of 499856670 in words is "four hundred ninety-nine million, eight hundred fifty-six thousand, six hundred seventy".