8340149 has 8 divisors (see below), whose sum is σ = 8897688. Its totient is φ = 7790080.

The previous prime is 8340131. The next prime is 8340161. The reversal of 8340149 is 9410438.

8340149 is digitally balanced in base 3, 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 4368100 + 3972049 = 2090^2 + 1993^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-8340149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340119) 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, 539 + ... + 4119.

It is an arithmetic number, because the mean of its divisors is an integer number (1112211).

Almost surely, 2^8340149 is an apocalyptic number.

It is an amenable number.

8340149 is a deficient number, since it is larger than the sum of its proper divisors (557539).

8340149 is a wasteful number, since it uses less digits than its factorization.

8340149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 8340149 is about 2887.9316127637. The cubic root of 8340149 is about 202.7953238058.

The spelling of 8340149 in words is "eight million, three hundred forty thousand, one hundred forty-nine".