490935787 has 4 divisors (see below), whose sum is σ = 496850760. Its totient is φ = 485020816.

The previous prime is 490935749. The next prime is 490935791. The reversal of 490935787 is 787539094.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490935787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490435787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2957362 + ... + 2957527.

It is an arithmetic number, because the mean of its divisors is an integer number (124212690).

Almost surely, 2^490935787 is an apocalyptic number.

490935787 is a deficient number, since it is larger than the sum of its proper divisors (5914973).

490935787 is an equidigital number, since it uses as much as digits as its factorization.

490935787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5914972.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 490935787 is about 22157.0708127225. The cubic root of 490935787 is about 788.8750676993.

The spelling of 490935787 in words is "four hundred ninety million, nine hundred thirty-five thousand, seven hundred eighty-seven".