3722986 has 4 divisors (see below), whose sum is σ = 5584482. Its totient is φ = 1861492.

The previous prime is 3722951. The next prime is 3723001. The reversal of 3722986 is 6892273.

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

It can be written as a sum of positive squares in only one way, i.e., 3441025 + 281961 = 1855^2 + 531^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 930745 + ... + 930748.

Almost surely, 2^3722986 is an apocalyptic number.

3722986 is a deficient number, since it is larger than the sum of its proper divisors (1861496).

3722986 is a wasteful number, since it uses less digits than its factorization.

3722986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861495.

The product of its digits is 36288, while the sum is 37.

The square root of 3722986 is about 1929.5040813639. The cubic root of 3722986 is about 154.9876646444.

The spelling of 3722986 in words is "three million, seven hundred twenty-two thousand, nine hundred eighty-six".