490042847 has 4 divisors (see below), whose sum is σ = 560048976. Its totient is φ = 420036720.

The previous prime is 490042801. The next prime is 490042859. The reversal of 490042847 is 748240094.

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

It is a cyclic number.

It is not a de Polignac number, because 490042847 - 2¹⁰ = 490041823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490042847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490042877) 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, 35003054 + ... + 35003067.

It is an arithmetic number, because the mean of its divisors is an integer number (140012244).

Almost surely, 2^490042847 is an apocalyptic number.

490042847 is a deficient number, since it is larger than the sum of its proper divisors (70006129).

490042847 is an equidigital number, since it uses as much as digits as its factorization.

490042847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70006128.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 490042847 is about 22136.9114151003. The cubic root of 490042847 is about 788.3964948517.

The spelling of 490042847 in words is "four hundred ninety million, forty-two thousand, eight hundred forty-seven".