2806149 has 8 divisors (see below), whose sum is σ = 3752320. Its totient is φ = 1865376.

The previous prime is 2806123. The next prime is 2806157. The reversal of 2806149 is 9416082.

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

It is not a de Polignac number, because 2806149 - 2⁷ = 2806021 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 (2806109) 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, 84 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (469040).

2^2806149 is an apocalyptic number.

It is an amenable number.

2806149 is a deficient number, since it is larger than the sum of its proper divisors (946171).

2806149 is a wasteful number, since it uses less digits than its factorization.

2806149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2806149 is about 1675.1564106077. The cubic root of 2806149 is about 141.0490750155.

The spelling of 2806149 in words is "two million, eight hundred six thousand, one hundred forty-nine".