3761665 has 8 divisors (see below), whose sum is σ = 4549248. Its totient is φ = 2985840.

The previous prime is 3761647. The next prime is 3761669. The reversal of 3761665 is 5661673.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3761665 - 2¹¹ = 3759617 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 3761665.

It is not an unprimeable number, because it can be changed into a prime (3761669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217 + ... + 3526.

It is an arithmetic number, because the mean of its divisors is an integer number (568656).

Almost surely, 2^3761665 is an apocalyptic number.

It is an amenable number.

3761665 is a deficient number, since it is larger than the sum of its proper divisors (787583).

3761665 is a wasteful number, since it uses less digits than its factorization.

3761665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5879.

The product of its digits is 22680, while the sum is 34.

The square root of 3761665 is about 1939.5012245420. The cubic root of 3761665 is about 155.5225512935.

It can be divided in two parts, 376166 and 5, that multiplied together give a triangular number (1880830 = T₁₉₃₉).

The spelling of 3761665 in words is "three million, seven hundred sixty-one thousand, six hundred sixty-five".