498849661 has 8 divisors (see below), whose sum is σ = 514258560. Its totient is φ = 483672672.

The previous prime is 498849607. The next prime is 498849709. The reversal of 498849661 is 166948894.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498849661 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 (498849061) 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, 53605 + ... + 62218.

It is an arithmetic number, because the mean of its divisors is an integer number (64282320).

Almost surely, 2^498849661 is an apocalyptic number.

It is an amenable number.

498849661 is a deficient number, since it is larger than the sum of its proper divisors (15408899).

498849661 is a wasteful number, since it uses less digits than its factorization.

498849661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115955.

The product of its digits is 2985984, while the sum is 55.

The square root of 498849661 is about 22334.9426012247. The cubic root of 498849661 is about 793.0913754790.

The spelling of 498849661 in words is "four hundred ninety-eight million, eight hundred forty-nine thousand, six hundred sixty-one".