8839145 has 16 divisors (see below), whose sum is σ = 12296448. Its totient is φ = 5974080.

The previous prime is 8839141. The next prime is 8839177. The reversal of 8839145 is 5419388.

It is not a de Polignac number, because 8839145 - 2² = 8839141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8839099 and 8839108.

It is not an unprimeable number, because it can be changed into a prime (8839141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 707 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (768528).

Almost surely, 2^8839145 is an apocalyptic number.

It is an amenable number.

8839145 is a deficient number, since it is larger than the sum of its proper divisors (3457303).

8839145 is a wasteful number, since it uses less digits than its factorization.

8839145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640.

The product of its digits is 34560, while the sum is 38.

The square root of 8839145 is about 2973.0699621771. The cubic root of 8839145 is about 206.7616960934.

The spelling of 8839145 in words is "eight million, eight hundred thirty-nine thousand, one hundred forty-five".