3125806 has 8 divisors (see below), whose sum is σ = 4730544. Its totient is φ = 1548960.

The previous prime is 3125803. The next prime is 3125809. The reversal of 3125806 is 6085213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3125803) and next prime (3125809).

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

It is a super-3 number, since 3×3125806³ = 91623592491333319848, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3125803) 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, 6690 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (591318).

Almost surely, 2^3125806 is an apocalyptic number.

3125806 is a deficient number, since it is larger than the sum of its proper divisors (1604738).

3125806 is a wasteful number, since it uses less digits than its factorization.

3125806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13946.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 3125806 is about 1767.9949094949. The cubic root of 3125806 is about 146.2134552078.

The spelling of 3125806 in words is "three million, one hundred twenty-five thousand, eight hundred six".