3537656 has 8 divisors (see below), whose sum is σ = 6633120. Its totient is φ = 1768824.

The previous prime is 3537647. The next prime is 3537659. The reversal of 3537656 is 6567353.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3537659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221096 + ... + 221111.

It is an arithmetic number, because the mean of its divisors is an integer number (829140).

Almost surely, 2^3537656 is an apocalyptic number.

It is an amenable number.

3537656 is a deficient number, since it is larger than the sum of its proper divisors (3095464).

3537656 is a wasteful number, since it uses less digits than its factorization.

3537656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442213 (or 442209 counting only the distinct ones).

The product of its digits is 56700, while the sum is 35.

The square root of 3537656 is about 1880.8657581018. The cubic root of 3537656 is about 152.3720112189.

The spelling of 3537656 in words is "three million, five hundred thirty-seven thousand, six hundred fifty-six".