1298786304 has 96 divisors (see below), whose sum is σ = 3490119360. Its totient is φ = 429490176.

The previous prime is 1298786303. The next prime is 1298786311. The reversal of 1298786304 is 4036878921.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1298786303) 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, 840957 + ... + 842499.

It is an arithmetic number, because the mean of its divisors is an integer number (36355410).

Almost surely, 2^1298786304 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 1298786304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1745059680).

1298786304 is an abundant number, since it is smaller than the sum of its proper divisors (2191333056).

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

1298786304 is a wasteful number, since it uses less digits than its factorization.

1298786304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 1298786304 is about 36038.6778891790. The cubic root of 1298786304 is about 1091.0531313643.

The spelling of 1298786304 in words is "one billion, two hundred ninety-eight million, seven hundred eighty-six thousand, three hundred four".