3537818 has 8 divisors (see below), whose sum is σ = 5315412. Its totient is φ = 1766016.

The previous prime is 3537811. The next prime is 3537823. The reversal of 3537818 is 8187353.

It can be written as a sum of positive squares in 2 ways, for example, as 3052009 + 485809 = 1747^2 + 697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3537818² = 25032312402248, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3537811) 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, 746 + ... + 2762.

Almost surely, 2^3537818 is an apocalyptic number.

3537818 is a deficient number, since it is larger than the sum of its proper divisors (1777594).

3537818 is a wasteful number, since it uses less digits than its factorization.

3537818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896.

The product of its digits is 20160, while the sum is 35.

The square root of 3537818 is about 1880.9088228832. The cubic root of 3537818 is about 152.3743370423.

It can be divided in two parts, 35378 and 18, that multiplied together give a square (636804 = 798²).

The spelling of 3537818 in words is "three million, five hundred thirty-seven thousand, eight hundred eighteen".