8005149 has 28 divisors (see below), whose sum is σ = 12241600. Its totient is φ = 5231304.

The previous prime is 8005141. The next prime is 8005169. The reversal of 8005149 is 9415008.

It is not a de Polignac number, because 8005149 - 2³ = 8005141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8005141) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 57522 + ... + 57660.

It is an arithmetic number, because the mean of its divisors is an integer number (437200).

Almost surely, 2^8005149 is an apocalyptic number.

It is an amenable number.

8005149 is a deficient number, since it is larger than the sum of its proper divisors (4236451).

8005149 is an equidigital number, since it uses as much as digits as its factorization.

8005149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8005149 is about 2829.3372015368. The cubic root of 8005149 is about 200.0428991310.

The spelling of 8005149 in words is "eight million, five thousand, one hundred forty-nine".