3980806 has 8 divisors (see below), whose sum is σ = 6098400. Its totient is φ = 1948008.

The previous prime is 3980761. The next prime is 3980819. The reversal of 3980806 is 6080893.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21081 + ... + 21268.

It is an arithmetic number, because the mean of its divisors is an integer number (762300).

Almost surely, 2^3980806 is an apocalyptic number.

3980806 is a deficient number, since it is larger than the sum of its proper divisors (2117594).

3980806 is a wasteful number, since it uses less digits than its factorization.

3980806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42398.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 3980806 is about 1995.1957297468. The cubic root of 3980806 is about 158.4857931917.

The spelling of 3980806 in words is "three million, nine hundred eighty thousand, eight hundred six".