8208149 has 4 divisors (see below), whose sum is σ = 8472960. Its totient is φ = 7943340.

The previous prime is 8208143. The next prime is 8208157. The reversal of 8208149 is 9418028.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8208149 - 2⁸ = 8207893 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132359 + ... + 132420.

It is an arithmetic number, because the mean of its divisors is an integer number (2118240).

Almost surely, 2^8208149 is an apocalyptic number.

It is an amenable number.

8208149 is a deficient number, since it is larger than the sum of its proper divisors (264811).

8208149 is a wasteful number, since it uses less digits than its factorization.

8208149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264810.

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

The square root of 8208149 is about 2864.9867364440. The cubic root of 8208149 is about 201.7197450008.

The spelling of 8208149 in words is "eight million, two hundred eight thousand, one hundred forty-nine".