489198490 has 32 divisors (see below), whose sum is σ = 974960064. Its totient is φ = 175232640.

The previous prime is 489198481. The next prime is 489198499. The reversal of 489198490 is 94891984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489198481) and next prime (489198499).

It is not an unprimeable number, because it can be changed into a prime (489198499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25819 + ... + 40558.

It is an arithmetic number, because the mean of its divisors is an integer number (30467502).

Almost surely, 2^489198490 is an apocalyptic number.

489198490 is a deficient number, since it is larger than the sum of its proper divisors (485761574).

489198490 is a wasteful number, since it uses less digits than its factorization.

489198490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66462.

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 489198490 is about 22117.8319461922. The cubic root of 489198490 is about 787.9434250827.

The spelling of 489198490 in words is "four hundred eighty-nine million, one hundred ninety-eight thousand, four hundred ninety".