3755605 has 12 divisors (see below), whose sum is σ = 5242860. Its totient is φ = 2575104.

The previous prime is 3755561. The next prime is 3755617. The reversal of 3755605 is 5065573.

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 2965284 = 889^2 + 1722^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3755605 is a prime.

3755605 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7420 + ... + 7909.

It is an arithmetic number, because the mean of its divisors is an integer number (436905).

Almost surely, 2^3755605 is an apocalyptic number.

3755605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3755605 is a deficient number, since it is larger than the sum of its proper divisors (1487255).

3755605 is a wasteful number, since it uses less digits than its factorization.

3755605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15348 (or 15341 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 31.

The square root of 3755605 is about 1937.9383375123. The cubic root of 3755605 is about 155.4389913792.

The spelling of 3755605 in words is "three million, seven hundred fifty-five thousand, six hundred five".