8274149 has 4 divisors (see below), whose sum is σ = 8910636. Its totient is φ = 7637664.

The previous prime is 8274143. The next prime is 8274157. The reversal of 8274149 is 9414728.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1643524 + 6630625 = 1282^2 + 2575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8274149 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 (8274143) 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, 318224 + ... + 318249.

It is an arithmetic number, because the mean of its divisors is an integer number (2227659).

Almost surely, 2^8274149 is an apocalyptic number.

It is an amenable number.

8274149 is a deficient number, since it is larger than the sum of its proper divisors (636487).

8274149 is a wasteful number, since it uses less digits than its factorization.

8274149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636486.

The product of its digits is 16128, while the sum is 35.

The square root of 8274149 is about 2876.4820527860. The cubic root of 8274149 is about 202.2589643396.

The spelling of 8274149 in words is "eight million, two hundred seventy-four thousand, one hundred forty-nine".