8961249 has 8 divisors (see below), whose sum is σ = 13034592. Its totient is φ = 5431040.

The previous prime is 8961223. The next prime is 8961257. The reversal of 8961249 is 9421698.

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 8961249 - 2⁹ = 8960737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8961209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135744 + ... + 135809.

It is an arithmetic number, because the mean of its divisors is an integer number (1629324).

Almost surely, 2^8961249 is an apocalyptic number.

It is an amenable number.

8961249 is a deficient number, since it is larger than the sum of its proper divisors (4073343).

8961249 is a wasteful number, since it uses less digits than its factorization.

8961249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271567.

The product of its digits is 31104, while the sum is 39.

The square root of 8961249 is about 2993.5345329560. The cubic root of 8961249 is about 207.7094145559.

It can be divided in two parts, 896 and 1249, that added together give a triangular number (2145 = T₆₅).

The spelling of 8961249 in words is "eight million, nine hundred sixty-one thousand, two hundred forty-nine".