489921075 has 48 divisors (see below), whose sum is σ = 1028584960. Its totient is φ = 223961760.

The previous prime is 489921049. The next prime is 489921083. The reversal of 489921075 is 570129984.

489921075 is a `hidden beast` number, since 489 + 92 + 10 + 75 = 666.

It is not a de Polignac number, because 489921075 - 2⁸ = 489920819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 489921075.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47119 + ... + 56568.

Almost surely, 2^489921075 is an apocalyptic number.

489921075 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489921075 is an abundant number, since it is smaller than the sum of its proper divisors (538663885).

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

489921075 is a wasteful number, since it uses less digits than its factorization.

489921075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103713 (or 103702 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 489921075 is about 22134.1608153551. The cubic root of 489921075 is about 788.3311858882.

The spelling of 489921075 in words is "four hundred eighty-nine million, nine hundred twenty-one thousand, seventy-five".