489698646 has 8 divisors (see below), whose sum is σ = 979397304. Its totient is φ = 163232880.

The previous prime is 489698639. The next prime is 489698653. The reversal of 489698646 is 646896984.

It is an interprime number because it is at equal distance from previous prime (489698639) and next prime (489698653).

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

489698646 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 489698646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40808215 + ... + 40808226.

It is an arithmetic number, because the mean of its divisors is an integer number (122424663).

Almost surely, 2^489698646 is an apocalyptic number.

489698646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

489698646 is a wasteful number, since it uses less digits than its factorization.

489698646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81616446.

The product of its digits is 17915904, while the sum is 60.

The square root of 489698646 is about 22129.1356812687. The cubic root of 489698646 is about 788.2118644508.

The spelling of 489698646 in words is "four hundred eighty-nine million, six hundred ninety-eight thousand, six hundred forty-six".