8449149 has 8 divisors (see below), whose sum is σ = 11279520. Its totient is φ = 5625776.

The previous prime is 8449141. The next prime is 8449159. The reversal of 8449149 is 9419448.

8449149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 8449149 - 2³ = 8449141 is a prime.

8449149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8449141) 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, 2659 + ... + 4895.

It is an arithmetic number, because the mean of its divisors is an integer number (1409940).

Almost surely, 2^8449149 is an apocalyptic number.

It is an amenable number.

8449149 is a deficient number, since it is larger than the sum of its proper divisors (2830371).

8449149 is a wasteful number, since it uses less digits than its factorization.

8449149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499.

The product of its digits is 41472, while the sum is 39.

The square root of 8449149 is about 2906.7419906142. The cubic root of 8449149 is about 203.6749677930.

Subtracting 8449149 from its reverse (9419448), we obtain a cube (970299 = 99³).

The spelling of 8449149 in words is "eight million, four hundred forty-nine thousand, one hundred forty-nine".