2948091 has 4 divisors (see below), whose sum is σ = 3930792. Its totient is φ = 1965392.

The previous prime is 2948087. The next prime is 2948119. The reversal of 2948091 is 1908492.

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

It is a cyclic number.

It is not a de Polignac number, because 2948091 - 2² = 2948087 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2948041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491346 + ... + 491351.

It is an arithmetic number, because the mean of its divisors is an integer number (982698).

2^2948091 is an apocalyptic number.

2948091 is a deficient number, since it is larger than the sum of its proper divisors (982701).

2948091 is an equidigital number, since it uses as much as digits as its factorization.

2948091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982700.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 2948091 is about 1717.0005824111. Note that the first 3 decimals coincide. The cubic root of 2948091 is about 143.3882711103.

It can be divided in two parts, 294 and 8091, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 2948091 in words is "two million, nine hundred forty-eight thousand, ninety-one".