499947243 has 8 divisors (see below), whose sum is σ = 670686528. Its totient is φ = 331253064.

The previous prime is 499947241. The next prime is 499947257. The reversal of 499947243 is 342749994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499947243 - 2¹ = 499947241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499947241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510705 + ... + 511682.

It is an arithmetic number, because the mean of its divisors is an integer number (83835816).

Almost surely, 2^499947243 is an apocalyptic number.

499947243 is a deficient number, since it is larger than the sum of its proper divisors (170739285).

499947243 is a wasteful number, since it uses less digits than its factorization.

499947243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022553.

The product of its digits is 1959552, while the sum is 51.

The square root of 499947243 is about 22359.5000614951. The cubic root of 499947243 is about 793.6726094965.

The spelling of 499947243 in words is "four hundred ninety-nine million, nine hundred forty-seven thousand, two hundred forty-three".