3722806 has 4 divisors (see below), whose sum is σ = 5584212. Its totient is φ = 1861402.

The previous prime is 3722801. The next prime is 3722809. The reversal of 3722806 is 6082273.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 930700 + ... + 930703.

It is an arithmetic number, because the mean of its divisors is an integer number (1396053).

Almost surely, 2^3722806 is an apocalyptic number.

3722806 is a deficient number, since it is larger than the sum of its proper divisors (1861406).

3722806 is a wasteful number, since it uses less digits than its factorization.

3722806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861405.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 3722806 is about 1929.4574366904. The cubic root of 3722806 is about 154.9851668081.

The spelling of 3722806 in words is "three million, seven hundred twenty-two thousand, eight hundred six".