2885149 has 4 divisors (see below), whose sum is σ = 2963164. Its totient is φ = 2807136.

The previous prime is 2885119. The next prime is 2885173. The reversal of 2885149 is 9415882.

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 2229049 + 656100 = 1493^2 + 810^2 .

It is a cyclic number.

It is not a de Polignac number, because 2885149 - 2⁷ = 2885021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 77977 = 2885149 / (2 + 8 + 8 + 5 + 1 + 4 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885119) 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, 38952 + ... + 39025.

It is an arithmetic number, because the mean of its divisors is an integer number (740791).

2^2885149 is an apocalyptic number.

It is an amenable number.

2885149 is a deficient number, since it is larger than the sum of its proper divisors (78015).

2885149 is an equidigital number, since it uses as much as digits as its factorization.

2885149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78014.

The product of its digits is 23040, while the sum is 37.

The square root of 2885149 is about 1698.5726360683. The cubic root of 2885149 is about 142.3604707906.

2885149 divided by its sum of digits (37) gives a palindrome (77977).

It can be divided in two parts, 28851 and 49, that added together give a square (28900 = 170²).

The spelling of 2885149 in words is "two million, eight hundred eighty-five thousand, one hundred forty-nine".