3780806 has 4 divisors (see below), whose sum is σ = 5671212. Its totient is φ = 1890402.

The previous prime is 3780797. The next prime is 3780811. The reversal of 3780806 is 6080873.

3780806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945200 + ... + 945203.

It is an arithmetic number, because the mean of its divisors is an integer number (1417803).

Almost surely, 2^3780806 is an apocalyptic number.

3780806 is a deficient number, since it is larger than the sum of its proper divisors (1890406).

3780806 is a wasteful number, since it uses less digits than its factorization.

3780806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890405.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 3780806 is about 1944.4294793075. The cubic root of 3780806 is about 155.7858940947.

The spelling of 3780806 in words is "three million, seven hundred eighty thousand, eight hundred six".