3646375 has 16 divisors (see below), whose sum is σ = 4702464. Its totient is φ = 2820000.

The previous prime is 3646369. The next prime is 3646393. The reversal of 3646375 is 5736463.

It is not a de Polignac number, because 3646375 - 2⁵ = 3646343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3646375.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3405 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (293904).

Almost surely, 2^3646375 is an apocalyptic number.

3646375 is a deficient number, since it is larger than the sum of its proper divisors (1056089).

3646375 is an equidigital number, since it uses as much as digits as its factorization.

3646375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 977 counting only the distinct ones).

The product of its digits is 45360, while the sum is 34.

The square root of 3646375 is about 1909.5483759256. The cubic root of 3646375 is about 153.9171843477.

The spelling of 3646375 in words is "three million, six hundred forty-six thousand, three hundred seventy-five".