1304061630 has 64 divisors (see below), whose sum is σ = 3158120448. Its totient is φ = 344615040.

The previous prime is 1304061617. The next prime is 1304061667. The reversal of 1304061630 is 361604031.

It is a self number, because there is not a number n which added to its sum of digits gives 1304061630.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2655685 + ... + 2656175.

It is an arithmetic number, because the mean of its divisors is an integer number (49345632).

Almost surely, 2^1304061630 is an apocalyptic number.

1304061630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1304061630 is an abundant number, since it is smaller than the sum of its proper divisors (1854058818).

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

1304061630 is a wasteful number, since it uses less digits than its factorization.

1304061630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1304061630 is about 36111.7935029541. The cubic root of 1304061630 is about 1092.5283255035.

Adding to 1304061630 its reverse (361604031), we get a palindrome (1665665661).

The spelling of 1304061630 in words is "one billion, three hundred four million, sixty-one thousand, six hundred thirty".