653671347 has 16 divisors (see below), whose sum is σ = 1017265152. Its totient is φ = 365578560.

The previous prime is 653671327. The next prime is 653671349. The reversal of 653671347 is 743176356.

It is a happy number.

It is not a de Polignac number, because 653671347 - 2¹⁰ = 653670323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 653671299 and 653671308.

It is not an unprimeable number, because it can be changed into a prime (653671349) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 330154 + ... + 332127.

It is an arithmetic number, because the mean of its divisors is an integer number (63579072).

Almost surely, 2^653671347 is an apocalyptic number.

653671347 is a deficient number, since it is larger than the sum of its proper divisors (363593805).

653671347 is a wasteful number, since it uses less digits than its factorization.

653671347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662338.

The product of its digits is 317520, while the sum is 42.

The square root of 653671347 is about 25566.9972229826. The cubic root of 653671347 is about 867.8669491570.

The spelling of 653671347 in words is "six hundred fifty-three million, six hundred seventy-one thousand, three hundred forty-seven".