3644046 has 24 divisors (see below), whose sum is σ = 9023664. Its totient is φ = 1041120.

The previous prime is 3644023. The next prime is 3644057. The reversal of 3644046 is 6404463.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14335 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (375986).

Almost surely, 2^3644046 is an apocalyptic number.

3644046 is an abundant number, since it is smaller than the sum of its proper divisors (5379618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3644046 is a wasteful number, since it uses less digits than its factorization.

3644046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28936 (or 28933 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 3644046 is about 1908.9384484577. The cubic root of 3644046 is about 153.8844075516.

The spelling of 3644046 in words is "three million, six hundred forty-four thousand, forty-six".