3644398 has 8 divisors (see below), whose sum is σ = 5548392. Its totient is φ = 1794936.

The previous prime is 3644357. The next prime is 3644411. The reversal of 3644398 is 8934463.

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

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13465 + ... + 13732.

It is an arithmetic number, because the mean of its divisors is an integer number (693549).

Almost surely, 2^3644398 is an apocalyptic number.

3644398 is a deficient number, since it is larger than the sum of its proper divisors (1903994).

3644398 is a wasteful number, since it uses less digits than its factorization.

3644398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27266.

The product of its digits is 62208, while the sum is 37.

The square root of 3644398 is about 1909.0306440704. The cubic root of 3644398 is about 153.8893622610.

The spelling of 3644398 in words is "three million, six hundred forty-four thousand, three hundred ninety-eight".