3644822 has 4 divisors (see below), whose sum is σ = 5467236. Its totient is φ = 1822410.

The previous prime is 3644801. The next prime is 3644831. The reversal of 3644822 is 2284463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2284463 = 1471 ⋅1553.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 911204 + ... + 911207.

It is an arithmetic number, because the mean of its divisors is an integer number (1366809).

Almost surely, 2^3644822 is an apocalyptic number.

3644822 is a deficient number, since it is larger than the sum of its proper divisors (1822414).

3644822 is a wasteful number, since it uses less digits than its factorization.

3644822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822413.

The product of its digits is 9216, while the sum is 29.

The square root of 3644822 is about 1909.1416919653. The cubic root of 3644822 is about 153.8953300102.

The spelling of 3644822 in words is "three million, six hundred forty-four thousand, eight hundred twenty-two".