489740826 has 8 divisors (see below), whose sum is σ = 979481664. Its totient is φ = 163246940.

The previous prime is 489740813. The next prime is 489740833. The reversal of 489740826 is 628047984.

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

489740826 is an admirable 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, 40811730 + ... + 40811741.

It is an arithmetic number, because the mean of its divisors is an integer number (122435208).

Almost surely, 2^489740826 is an apocalyptic number.

489740826 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.

489740826 is a wasteful number, since it uses less digits than its factorization.

489740826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81623476.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 489740826 is about 22130.0887029402. The cubic root of 489740826 is about 788.2344945739.

The spelling of 489740826 in words is "four hundred eighty-nine million, seven hundred forty thousand, eight hundred twenty-six".