8820149 has 8 divisors (see below), whose sum is σ = 9528120. Its totient is φ = 8116416.

The previous prime is 8820143. The next prime is 8820169. The reversal of 8820149 is 9410288.

It is a happy number.

8820149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 117649 + 8702500 = 343^2 + 2950^2 .

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 8820149 - 2⁸ = 8819893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820143) 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, 4307 + ... + 6015.

It is an arithmetic number, because the mean of its divisors is an integer number (1191015).

Almost surely, 2^8820149 is an apocalyptic number.

It is an amenable number.

8820149 is a deficient number, since it is larger than the sum of its proper divisors (707971).

8820149 is a wasteful number, since it uses less digits than its factorization.

8820149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 8820149 is about 2969.8735663324. The cubic root of 8820149 is about 206.6134742859.

The spelling of 8820149 in words is "eight million, eight hundred twenty thousand, one hundred forty-nine".