489148194 has 16 divisors (see below), whose sum is σ = 1009854720. Its totient is φ = 157789680.

The previous prime is 489148193. The next prime is 489148201. The reversal of 489148194 is 491841984.

It is not an unprimeable number, because it can be changed into a prime (489148193) 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, 1314729 + ... + 1315100.

It is an arithmetic number, because the mean of its divisors is an integer number (63115920).

Almost surely, 2^489148194 is an apocalyptic number.

489148194 is an abundant number, since it is smaller than the sum of its proper divisors (520706526).

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

489148194 is a wasteful number, since it uses less digits than its factorization.

489148194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2629865.

The product of its digits is 331776, while the sum is 48.

The square root of 489148194 is about 22116.6949158322. The cubic root of 489148194 is about 787.9164205290.

The spelling of 489148194 in words is "four hundred eighty-nine million, one hundred forty-eight thousand, one hundred ninety-four".