3537643 has 4 divisors (see below), whose sum is σ = 3612960. Its totient is φ = 3462328.

The previous prime is 3537641. The next prime is 3537647. The reversal of 3537643 is 3467353.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3537643 - 2¹ = 3537641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3537641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37588 + ... + 37681.

It is an arithmetic number, because the mean of its divisors is an integer number (903240).

Almost surely, 2^3537643 is an apocalyptic number.

3537643 is a deficient number, since it is larger than the sum of its proper divisors (75317).

3537643 is an equidigital number, since it uses as much as digits as its factorization.

3537643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75316.

The product of its digits is 22680, while the sum is 31.

The square root of 3537643 is about 1880.8623022433. The cubic root of 3537643 is about 152.3718245757.

The spelling of 3537643 in words is "three million, five hundred thirty-seven thousand, six hundred forty-three".