2874161 has 4 divisors (see below), whose sum is σ = 2973300. Its totient is φ = 2775024.

The previous prime is 2874121. The next prime is 2874169. The reversal of 2874161 is 1614782.

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 1874161 + 1000000 = 1369^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874161 - 2¹⁸ = 2612017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 99109 = 2874161 / (2 + 8 + 7 + 4 + 1 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2874169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49526 + ... + 49583.

It is an arithmetic number, because the mean of its divisors is an integer number (743325).

2^2874161 is an apocalyptic number.

It is an amenable number.

2874161 is a deficient number, since it is larger than the sum of its proper divisors (99139).

2874161 is an equidigital number, since it uses as much as digits as its factorization.

2874161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99138.

The product of its digits is 2688, while the sum is 29.

The square root of 2874161 is about 1695.3350701263. The cubic root of 2874161 is about 142.1795157373.

The spelling of 2874161 in words is "two million, eight hundred seventy-four thousand, one hundred sixty-one".