499532805 has 32 divisors (see below), whose sum is σ = 892753920. Its totient is φ = 265008960.

The previous prime is 499532753. The next prime is 499532809. The reversal of 499532805 is 508235994.

It is not a de Polignac number, because 499532805 - 2⁸ = 499532549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499532809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16099 + ... + 35471.

It is an arithmetic number, because the mean of its divisors is an integer number (27898560).

Almost surely, 2^499532805 is an apocalyptic number.

499532805 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

499532805 is a deficient number, since it is larger than the sum of its proper divisors (393221115).

499532805 is a wasteful number, since it uses less digits than its factorization.

499532805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19578 (or 19572 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 499532805 is about 22350.2305357238. The cubic root of 499532805 is about 793.4532403362.

The spelling of 499532805 in words is "four hundred ninety-nine million, five hundred thirty-two thousand, eight hundred five".