1304638027 has 16 divisors (see below), whose sum is σ = 1627356672. Its totient is φ = 1016104320.

The previous prime is 1304638001. The next prime is 1304638061. The reversal of 1304638027 is 7208364031.

It is a happy number.

It is not a de Polignac number, because 1304638027 - 2¹¹ = 1304635979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1304637983 and 1304638001.

It is not an unprimeable number, because it can be changed into a prime (1304638927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282378 + ... + 286960.

It is an arithmetic number, because the mean of its divisors is an integer number (101709792).

Almost surely, 2^1304638027 is an apocalyptic number.

1304638027 is a deficient number, since it is larger than the sum of its proper divisors (322718645).

1304638027 is a wasteful number, since it uses less digits than its factorization.

1304638027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8298.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1304638027 is about 36119.7733520021. The cubic root of 1304638027 is about 1092.6892681249.

The spelling of 1304638027 in words is "one billion, three hundred four million, six hundred thirty-eight thousand, twenty-seven".