490347665 has 16 divisors (see below), whose sum is σ = 592308288. Its totient is φ = 389695296.

The previous prime is 490347629. The next prime is 490347667. The reversal of 490347665 is 566743094.

It is a cyclic number.

It is not a de Polignac number, because 490347665 - 2⁶ = 490347601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (490347667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870674 + ... + 871236.

It is an arithmetic number, because the mean of its divisors is an integer number (37019268).

Almost surely, 2^490347665 is an apocalyptic number.

It is an amenable number.

490347665 is a deficient number, since it is larger than the sum of its proper divisors (101960623).

490347665 is a wasteful number, since it uses less digits than its factorization.

490347665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 490347665 is about 22143.7951805918. The cubic root of 490347665 is about 788.5599279295.

The spelling of 490347665 in words is "four hundred ninety million, three hundred forty-seven thousand, six hundred sixty-five".