1304749866 has 64 divisors (see below), whose sum is σ = 3055304448. Its totient is φ = 363737088.

The previous prime is 1304749861. The next prime is 1304749921. The reversal of 1304749866 is 6689474031.

1304749866 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1304749861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428100 + ... + 431136.

It is an arithmetic number, because the mean of its divisors is an integer number (47739132).

Almost surely, 2^1304749866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304749866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1527652224).

1304749866 is an abundant number, since it is smaller than the sum of its proper divisors (1750554582).

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

1304749866 is a wasteful number, since it uses less digits than its factorization.

1304749866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 1304749866 is about 36121.3214874539. The cubic root of 1304749866 is about 1092.7204905229.

The spelling of 1304749866 in words is "one billion, three hundred four million, seven hundred forty-nine thousand, eight hundred sixty-six".