2671990 has 8 divisors (see below), whose sum is σ = 4809600. Its totient is φ = 1068792.

The previous prime is 2671987. The next prime is 2672003. The reversal of 2671990 is 991762.

2671990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133590 + ... + 133609.

It is an arithmetic number, because the mean of its divisors is an integer number (601200).

2^2671990 is an apocalyptic number.

2671990 is a deficient number, since it is larger than the sum of its proper divisors (2137610).

2671990 is a wasteful number, since it uses less digits than its factorization.

2671990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267206.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 2671990 is about 1634.6222805284. The cubic root of 2671990 is about 138.7644683665.

It can be divided in two parts, 2 and 671990, that multiplied together give a triangular number (1343980 = T₁₆₃₉).

The spelling of 2671990 in words is "two million, six hundred seventy-one thousand, nine hundred ninety".