499923408 has 20 divisors (see below), whose sum is σ = 1291468928. Its totient is φ = 166641120.

The previous prime is 499923371. The next prime is 499923419. The reversal of 499923408 is 804329994.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 10415071 = 499923408 / (4 + 9 + 9 + 9 + 2 + 3 + 4 + 0 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5207488 + ... + 5207583.

Almost surely, 2^499923408 is an apocalyptic number.

499923408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

499923408 is an abundant number, since it is smaller than the sum of its proper divisors (791545520).

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

499923408 is a wasteful number, since it uses less digits than its factorization.

499923408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415082 (or 10415076 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 499923408 is about 22358.9670602199. The cubic root of 499923408 is about 793.6599965074.

The spelling of 499923408 in words is "four hundred ninety-nine million, nine hundred twenty-three thousand, four hundred eight".