1304943376 has 45 divisors (see below), whose sum is σ = 2782460149. Its totient is φ = 592433600.

The previous prime is 1304943373. The next prime is 1304943379. The reversal of 1304943376 is 6733494031.

It is a happy number.

The square root of 1304943376 is 36124.

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

It is an interprime number because it is at equal distance from previous prime (1304943373) and next prime (1304943379).

It can be written as a sum of positive squares in only one way, i.e., 356303376 + 948640000 = 18876^2 + 30800^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304943371) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1589046 + ... + 1589866.

Almost surely, 2^1304943376 is an apocalyptic number.

1304943376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1304943376 is the 36124-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304943376

1304943376 is an abundant number, since it is smaller than the sum of its proper divisors (1477516773).

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

1304943376 is an frugal number, since it uses more digits than its factorization.

1304943376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 40.

The cubic root of 1304943376 is about 1092.7745090223.

The spelling of 1304943376 in words is "one billion, three hundred four million, nine hundred forty-three thousand, three hundred seventy-six".