8752991 has 8 divisors (see below), whose sum is σ = 9465120. Its totient is φ = 8046432.

The previous prime is 8752987. The next prime is 8752993. The reversal of 8752991 is 1992578.

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 8752991 - 2² = 8752987 is a prime.

It is a super-2 number, since 2×8752991² = 153229702892162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8752993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 4748.

It is an arithmetic number, because the mean of its divisors is an integer number (1183140).

Almost surely, 2^8752991 is an apocalyptic number.

8752991 is a deficient number, since it is larger than the sum of its proper divisors (712129).

8752991 is a wasteful number, since it uses less digits than its factorization.

8752991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785.

The product of its digits is 45360, while the sum is 41.

The square root of 8752991 is about 2958.5454196277. The cubic root of 8752991 is about 206.0877418667.

The spelling of 8752991 in words is "eight million, seven hundred fifty-two thousand, nine hundred ninety-one".