2030806 has 4 divisors (see below), whose sum is σ = 3046212. Its totient is φ = 1015402.

The previous prime is 2030789. The next prime is 2030879. The reversal of 2030806 is 6080302.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 507700 + ... + 507703.

It is an arithmetic number, because the mean of its divisors is an integer number (761553).

2^2030806 is an apocalyptic number.

2030806 is a deficient number, since it is larger than the sum of its proper divisors (1015406).

2030806 is a wasteful number, since it uses less digits than its factorization.

2030806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015405.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2030806 is about 1425.0635073568. The cubic root of 2030806 is about 126.6356972610.

The spelling of 2030806 in words is "two million, thirty thousand, eight hundred six".