3644246 has 4 divisors (see below), whose sum is σ = 5466372. Its totient is φ = 1822122.

The previous prime is 3644237. The next prime is 3644279. The reversal of 3644246 is 6424463.

It is a happy number.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 911060 + ... + 911063.

It is an arithmetic number, because the mean of its divisors is an integer number (1366593).

Almost surely, 2^3644246 is an apocalyptic number.

3644246 is a deficient number, since it is larger than the sum of its proper divisors (1822126).

3644246 is a wasteful number, since it uses less digits than its factorization.

3644246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1822125.

The product of its digits is 13824, while the sum is 29.

The square root of 3644246 is about 1908.9908328748. The cubic root of 3644246 is about 153.8872227665.

The spelling of 3644246 in words is "three million, six hundred forty-four thousand, two hundred forty-six".