489797670 has 32 divisors (see below), whose sum is σ = 1194789600. Its totient is φ = 128471040.

The previous prime is 489797663. The next prime is 489797681. The reversal of 489797670 is 76797984.

It is a self number, because there is not a number n which added to its sum of digits gives 489797670.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131995 + ... + 135654.

It is an arithmetic number, because the mean of its divisors is an integer number (37337175).

Almost surely, 2^489797670 is an apocalyptic number.

489797670 is an abundant number, since it is smaller than the sum of its proper divisors (704991930).

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

489797670 is a wasteful number, since it uses less digits than its factorization.

489797670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267720.

The product of its (nonzero) digits is 5334336, while the sum is 57.

The square root of 489797670 is about 22131.3729804547. The cubic root of 489797670 is about 788.2649900699.

The spelling of 489797670 in words is "four hundred eighty-nine million, seven hundred ninety-seven thousand, six hundred seventy".