8981247 has 16 divisors (see below), whose sum is σ = 13632768. Its totient is φ = 5206080.

The previous prime is 8981233. The next prime is 8981249. The reversal of 8981247 is 7421898.

It is not a de Polignac number, because 8981247 - 2⁸ = 8980991 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8981249) 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 15 ways as a sum of consecutive naturals, for example, 5158 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (852048).

Almost surely, 2^8981247 is an apocalyptic number.

8981247 is a deficient number, since it is larger than the sum of its proper divisors (4651521).

8981247 is a wasteful number, since it uses less digits than its factorization.

8981247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11870.

The product of its digits is 32256, while the sum is 39.

The square root of 8981247 is about 2996.8728701765. The cubic root of 8981247 is about 207.8638084666.

It can be divided in two parts, 898 and 1247, that added together give a triangular number (2145 = T₆₅).

The spelling of 8981247 in words is "eight million, nine hundred eighty-one thousand, two hundred forty-seven".