4375644 has 48 divisors (see below), whose sum is σ = 12569088. Its totient is φ = 1153728.

The previous prime is 4375639. The next prime is 4375649. The reversal of 4375644 is 4465734.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4375639) and next prime (4375649).

Its product of digits (40320) is a multiple of the sum of its prime divisors (4032).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4375649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (261856).

Almost surely, 2^4375644 is an apocalyptic number.

It is an amenable number.

4375644 is an abundant number, since it is smaller than the sum of its proper divisors (8193444).

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

4375644 is a wasteful number, since it uses less digits than its factorization.

4375644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034 (or 4032 counting only the distinct ones).

The product of its digits is 40320, while the sum is 33.

The square root of 4375644 is about 2091.8040061153. The cubic root of 4375644 is about 163.5613401317.

The spelling of 4375644 in words is "four million, three hundred seventy-five thousand, six hundred forty-four".