972506 has 8 divisors (see below), whose sum is σ = 1478964. Its totient is φ = 479520.

The previous prime is 972493. The next prime is 972533. The reversal of 972506 is 605279.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 87025 = 941^2 + 295^2 .

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

It is an Ulam number.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 972506.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3185 + ... + 3476.

2⁹⁷²⁵⁰⁶ is an apocalyptic number.

972506 is a deficient number, since it is larger than the sum of its proper divisors (506458).

972506 is a wasteful number, since it uses less digits than its factorization.

972506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6736.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 972506 is about 986.1571882819. The cubic root of 972506 is about 99.0750035301.

The spelling of 972506 in words is "nine hundred seventy-two thousand, five hundred six".