3621814 has 16 divisors (see below), whose sum is σ = 6312096. Its totient is φ = 1526400.

The previous prime is 3621803. The next prime is 3621851. The reversal of 3621814 is 4181263.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 1267 + ... + 2974.

It is an arithmetic number, because the mean of its divisors is an integer number (394506).

Almost surely, 2^3621814 is an apocalyptic number.

3621814 is a deficient number, since it is larger than the sum of its proper divisors (2690282).

3621814 is a wasteful number, since it uses less digits than its factorization.

3621814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4311.

The product of its digits is 1152, while the sum is 25.

The square root of 3621814 is about 1903.1064079552. The cubic root of 3621814 is about 153.5708239488.

The spelling of 3621814 in words is "three million, six hundred twenty-one thousand, eight hundred fourteen".