3657696 has 48 divisors (see below), whose sum is σ = 10975104. Its totient is φ = 1044864.

The previous prime is 3657691. The next prime is 3657749. The reversal of 3657696 is 6967563.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3657691) 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, 2050 + ... + 3393.

It is an arithmetic number, because the mean of its divisors is an integer number (228648).

Almost surely, 2^3657696 is an apocalyptic number.

It is an amenable number.

3657696 is an abundant number, since it is smaller than the sum of its proper divisors (7317408).

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

3657696 is a wasteful number, since it uses less digits than its factorization.

3657696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5463 (or 5455 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 3657696 is about 1912.5103921286. The cubic root of 3657696 is about 154.0763100751.

The spelling of 3657696 in words is "three million, six hundred fifty-seven thousand, six hundred ninety-six".