975647 has 8 divisors (see below), whose sum is σ = 1069200. Its totient is φ = 886144.

The previous prime is 975643. The next prime is 975649. The reversal of 975647 is 746579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 975647 - 2² = 975643 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 975647.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 975647.

It is not an unprimeable number, because it can be changed into a prime (975643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (133650).

2⁹⁷⁵⁶⁴⁷ is an apocalyptic number.

975647 is a deficient number, since it is larger than the sum of its proper divisors (93553).

975647 is a wasteful number, since it uses less digits than its factorization.

975647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its digits is 52920, while the sum is 38.

The square root of 975647 is about 987.7484497583. The cubic root of 975647 is about 99.1815530540.

The spelling of 975647 in words is "nine hundred seventy-five thousand, six hundred forty-seven".