3487909 has 4 divisors (see below), whose sum is σ = 3530016. Its totient is φ = 3445804.

The previous prime is 3487871. The next prime is 3487921. The reversal of 3487909 is 9097843.

3487909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9097843 = 373 ⋅24391.

It is a cyclic number.

It is not a de Polignac number, because 3487909 - 2¹⁵ = 3455141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20929 + ... + 21094.

It is an arithmetic number, because the mean of its divisors is an integer number (882504).

Almost surely, 2^3487909 is an apocalyptic number.

It is an amenable number.

3487909 is a deficient number, since it is larger than the sum of its proper divisors (42107).

3487909 is an equidigital number, since it uses as much as digits as its factorization.

3487909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42106.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 3487909 is about 1867.5944420564. The cubic root of 3487909 is about 151.6544116545.

The spelling of 3487909 in words is "three million, four hundred eighty-seven thousand, nine hundred nine".