1304495847 has 20 divisors (see below), whose sum is σ = 1950062136. Its totient is φ = 869052240.

The previous prime is 1304495839. The next prime is 1304495869. The reversal of 1304495847 is 7485944031.

It is not a de Polignac number, because 1304495847 - 2³ = 1304495839 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304495827) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130197 + ... + 139857.

Almost surely, 2^1304495847 is an apocalyptic number.

1304495847 is a deficient number, since it is larger than the sum of its proper divisors (645566289).

1304495847 is an equidigital number, since it uses as much as digits as its factorization.

1304495847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11340 (or 11331 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 1304495847 is about 36117.8051243428. The cubic root of 1304495847 is about 1092.6495727711.

The spelling of 1304495847 in words is "one billion, three hundred four million, four hundred ninety-five thousand, eight hundred forty-seven".