8817949 has 8 divisors (see below), whose sum is σ = 10121408. Its totient is φ = 7525440.

The previous prime is 8817931. The next prime is 8817959. The reversal of 8817949 is 9497188.

It is a happy number.

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 8817949 - 2⁷ = 8817821 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 8817899 and 8817908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8817959) 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, 927 + ... + 4300.

It is an arithmetic number, because the mean of its divisors is an integer number (1265176).

Almost surely, 2^8817949 is an apocalyptic number.

It is an amenable number.

8817949 is a deficient number, since it is larger than the sum of its proper divisors (1303459).

8817949 is a wasteful number, since it uses less digits than its factorization.

8817949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475.

The product of its digits is 145152, while the sum is 46.

The square root of 8817949 is about 2969.5031570955. The cubic root of 8817949 is about 206.5962944007.

The spelling of 8817949 in words is "eight million, eight hundred seventeen thousand, nine hundred forty-nine".