1289474304 has 72 divisors (see below), whose sum is σ = 3465413952. Its totient is φ = 425625600.

The previous prime is 1289474287. The next prime is 1289474317. The reversal of 1289474304 is 4034749821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70954 + ... + 87254.

Almost surely, 2^1289474304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1289474304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732706976).

1289474304 is an abundant number, since it is smaller than the sum of its proper divisors (2175939648).

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

1289474304 is a wasteful number, since it uses less digits than its factorization.

1289474304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16423 (or 16409 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 1289474304 is about 35909.2509529230. The cubic root of 1289474304 is about 1088.4393410220.

The spelling of 1289474304 in words is "one billion, two hundred eighty-nine million, four hundred seventy-four thousand, three hundred four".