3645711 has 12 divisors (see below), whose sum is σ = 5366088. Its totient is φ = 2384304.

The previous prime is 3645709. The next prime is 3645713. The reversal of 3645711 is 1175463.

3645711 is a `hidden beast` number, since 3 + 645 + 7 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (3645709) and next prime (3645713).

It is not a de Polignac number, because 3645711 - 2¹ = 3645709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3345 + ... + 4298.

It is an arithmetic number, because the mean of its divisors is an integer number (447174).

Almost surely, 2^3645711 is an apocalyptic number.

3645711 is a deficient number, since it is larger than the sum of its proper divisors (1720377).

3645711 is a wasteful number, since it uses less digits than its factorization.

3645711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702 (or 7699 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 3645711 is about 1909.3745049099. The cubic root of 3645711 is about 153.9078410763.

It can be divided in two parts, 3645 and 711, that added together give a square (4356 = 66²).

The spelling of 3645711 in words is "three million, six hundred forty-five thousand, seven hundred eleven".