3755945 has 4 divisors (see below), whose sum is σ = 4507140. Its totient is φ = 3004752.

The previous prime is 3755909. The next prime is 3755959. The reversal of 3755945 is 5495573.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2458624 + 1297321 = 1568^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3755945 - 2¹⁰ = 3754921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3755899 and 3755908.

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 3 ways as a sum of consecutive naturals, for example, 375590 + ... + 375599.

It is an arithmetic number, because the mean of its divisors is an integer number (1126785).

Almost surely, 2^3755945 is an apocalyptic number.

It is an amenable number.

3755945 is a deficient number, since it is larger than the sum of its proper divisors (751195).

3755945 is an equidigital number, since it uses as much as digits as its factorization.

3755945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751194.

The product of its digits is 94500, while the sum is 38.

The square root of 3755945 is about 1938.0260576164. The cubic root of 3755945 is about 155.4436819383.

The spelling of 3755945 in words is "three million, seven hundred fifty-five thousand, nine hundred forty-five".