490911767 has 4 divisors (see below), whose sum is σ = 497125920. Its totient is φ = 484697616.

The previous prime is 490911763. The next prime is 490911803. The reversal of 490911767 is 767119094.

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 490911767 - 2² = 490911763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490911761) 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, 3106958 + ... + 3107115.

It is an arithmetic number, because the mean of its divisors is an integer number (124281480).

Almost surely, 2^490911767 is an apocalyptic number.

490911767 is a deficient number, since it is larger than the sum of its proper divisors (6214153).

490911767 is an equidigital number, since it uses as much as digits as its factorization.

490911767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214152.

The product of its (nonzero) digits is 95256, while the sum is 44.

The square root of 490911767 is about 22156.5287669346. The cubic root of 490911767 is about 788.8622017341.

The spelling of 490911767 in words is "four hundred ninety million, nine hundred eleven thousand, seven hundred sixty-seven".