1489805604 has 81 divisors (see below), whose sum is σ = 4385509947. Its totient is φ = 425195568.

The previous prime is 1489805593. The next prime is 1489805627. The reversal of 1489805604 is 4065089841.

The square root of 1489805604 is 38598.

It is a perfect power (a square), and thus also a powerful number.

1489805604 is a `hidden beast` number, since 1 + 4 + 8 + 9 + 80 + 560 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1489805604.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1620657 + ... + 1621575.

Almost surely, 2^1489805604 is an apocalyptic number.

1489805604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1489805604 is the 38598-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489805604

1489805604 is an abundant number, since it is smaller than the sum of its proper divisors (2895704343).

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

1489805604 is an equidigital number, since it uses as much as digits as its factorization.

1489805604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The cubic root of 1489805604 is about 1142.1150853784.

The spelling of 1489805604 in words is "one billion, four hundred eighty-nine million, eight hundred five thousand, six hundred four".