3644319 has 8 divisors (see below), whose sum is σ = 5553280. Its totient is φ = 2082456.

The previous prime is 3644317. The next prime is 3644321. The reversal of 3644319 is 9134463.

It is an interprime number because it is at equal distance from previous prime (3644317) and next prime (3644321).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3644319 - 2¹ = 3644317 is a prime.

It is a super-2 number, since 2×3644319² = 26562121947522, which contains 22 as substring.

It is a Duffinian number.

3644319 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86749 + ... + 86790.

It is an arithmetic number, because the mean of its divisors is an integer number (694160).

Almost surely, 2^3644319 is an apocalyptic number.

3644319 is a deficient number, since it is larger than the sum of its proper divisors (1908961).

3644319 is a wasteful number, since it uses less digits than its factorization.

3644319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173549.

The product of its digits is 7776, while the sum is 30.

The square root of 3644319 is about 1909.0099528290. The cubic root of 3644319 is about 153.8882502943. Note that the first 3 decimals are identical.

The spelling of 3644319 in words is "three million, six hundred forty-four thousand, three hundred nineteen".