3537889 has 4 divisors (see below), whose sum is σ = 3543300. Its totient is φ = 3532480.

The previous prime is 3537871. The next prime is 3537899. The reversal of 3537889 is 9887353.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1600225 + 1937664 = 1265^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 3537889 - 2¹¹ = 3535841 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3537869) 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, 1564 + ... + 3085.

It is an arithmetic number, because the mean of its divisors is an integer number (885825).

Almost surely, 2^3537889 is an apocalyptic number.

It is an amenable number.

3537889 is a deficient number, since it is larger than the sum of its proper divisors (5411).

3537889 is an equidigital number, since it uses as much as digits as its factorization.

3537889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410.

The product of its digits is 181440, while the sum is 43.

The square root of 3537889 is about 1880.9276966433. The cubic root of 3537889 is about 152.3753563623.

The spelling of 3537889 in words is "three million, five hundred thirty-seven thousand, eight hundred eighty-nine".