499187307 has 4 divisors (see below), whose sum is σ = 665583080. Its totient is φ = 332791536.

The previous prime is 499187279. The next prime is 499187347. The reversal of 499187307 is 703781994.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 499187307 - 2¹¹ = 499185259 is a prime.

It is the 22343-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499187347) by changing a digit.

It is a nontrivial repunit in base 22342.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83197882 + ... + 83197887.

It is an arithmetic number, because the mean of its divisors is an integer number (166395770).

Almost surely, 2^499187307 is an apocalyptic number.

499187307 is a deficient number, since it is larger than the sum of its proper divisors (166395773).

499187307 is a wasteful number, since it uses less digits than its factorization.

499187307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166395772.

The product of its (nonzero) digits is 381024, while the sum is 48.

The square root of 499187307 is about 22342.5000167842. The cubic root of 499187307 is about 793.2702695479.

The spelling of 499187307 in words is "four hundred ninety-nine million, one hundred eighty-seven thousand, three hundred seven".