1304038969 has 4 divisors (see below), whose sum is σ = 1349005860. Its totient is φ = 1259072080.

The previous prime is 1304038961. The next prime is 1304038987. The reversal of 1304038969 is 9698304031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9698304031 = 13 ⋅746023387.

It can be written as a sum of positive squares in 2 ways, for example, as 274399225 + 1029639744 = 16565^2 + 32088^2 .

It is a cyclic number.

It is not a de Polignac number, because 1304038969 - 2³ = 1304038961 is a prime.

It is a super-2 number, since 2×1304038969² = 3401035265341165922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304038961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22483402 + ... + 22483459.

It is an arithmetic number, because the mean of its divisors is an integer number (337251465).

Almost surely, 2^1304038969 is an apocalyptic number.

It is an amenable number.

1304038969 is a deficient number, since it is larger than the sum of its proper divisors (44966891).

1304038969 is an equidigital number, since it uses as much as digits as its factorization.

1304038969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44966890.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1304038969 is about 36111.4797398279. The cubic root of 1304038969 is about 1092.5219970890.

The spelling of 1304038969 in words is "one billion, three hundred four million, thirty-eight thousand, nine hundred sixty-nine".