3655716 has 12 divisors (see below), whose sum is σ = 8530032. Its totient is φ = 1218568.

The previous prime is 3655709. The next prime is 3655723. The reversal of 3655716 is 6175563.

It is an interprime number because it is at equal distance from previous prime (3655709) and next prime (3655723).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152310 + ... + 152333.

It is an arithmetic number, because the mean of its divisors is an integer number (710836).

Almost surely, 2^3655716 is an apocalyptic number.

It is an amenable number.

3655716 is an abundant number, since it is smaller than the sum of its proper divisors (4874316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3655716 is a wasteful number, since it uses less digits than its factorization.

3655716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304650 (or 304648 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 3655716 is about 1911.9926778102. The cubic root of 3655716 is about 154.0485033030.

It can be divided in two parts, 3655 and 716, that added together give a triangular number (4371 = T₉₃).

The spelling of 3655716 in words is "three million, six hundred fifty-five thousand, seven hundred sixteen".