499220785 has 8 divisors (see below), whose sum is σ = 684645696. Its totient is φ = 342322800.

The previous prime is 499220783. The next prime is 499220851. The reversal of 499220785 is 587022994.

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

It is not a de Polignac number, because 499220785 - 2¹ = 499220783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (499220783) 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, 7131691 + ... + 7131760.

It is an arithmetic number, because the mean of its divisors is an integer number (85580712).

Almost surely, 2^499220785 is an apocalyptic number.

It is an amenable number.

499220785 is a deficient number, since it is larger than the sum of its proper divisors (185424911).

499220785 is a wasteful number, since it uses less digits than its factorization.

499220785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14263463.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 499220785 is about 22343.2492041780. The cubic root of 499220785 is about 793.2880027100.

It can be divided in two parts, 499220 and 785, that added together give a palindrome (500005).

The spelling of 499220785 in words is "four hundred ninety-nine million, two hundred twenty thousand, seven hundred eighty-five".