1304216235 has 96 divisors (see below), whose sum is σ = 2710955520. Its totient is φ = 589171968.

The previous prime is 1304216231. The next prime is 1304216237. The reversal of 1304216235 is 5326124031.

1304216235 is a `hidden beast` number, since 1 + 3 + 0 + 421 + 6 + 235 = 666.

It is not a de Polignac number, because 1304216235 - 2² = 1304216231 is a prime.

It is a super-3 number, since 3×1304216235³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1304216199 and 1304216208.

It is not an unprimeable number, because it can be changed into a prime (1304216231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 756084 + ... + 757806.

It is an arithmetic number, because the mean of its divisors is an integer number (28239120).

Almost surely, 2^1304216235 is an apocalyptic number.

1304216235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1304216235 is an abundant number, since it is smaller than the sum of its proper divisors (1406739285).

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

1304216235 is an equidigital number, since it uses as much as digits as its factorization.

1304216235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1304216235 is about 36113.9340836747. The cubic root of 1304216235 is about 1092.5714992471.

The spelling of 1304216235 in words is "one billion, three hundred four million, two hundred sixteen thousand, two hundred thirty-five".