3644998 has 32 divisors (see below), whose sum is σ = 6704640. Its totient is φ = 1451520.

The previous prime is 3644983. The next prime is 3644999. The reversal of 3644998 is 8994463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3644999) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 18790 + ... + 18982.

It is an arithmetic number, because the mean of its divisors is an integer number (209520).

Almost surely, 2^3644998 is an apocalyptic number.

3644998 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3644998 is a deficient number, since it is larger than the sum of its proper divisors (3059642).

3644998 is a wasteful number, since it uses less digits than its factorization.

3644998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its digits is 186624, while the sum is 43.

The square root of 3644998 is about 1909.1877854208. The cubic root of 3644998 is about 153.8978070531.

The spelling of 3644998 in words is "three million, six hundred forty-four thousand, nine hundred ninety-eight".