3509885 has 8 divisors (see below), whose sum is σ = 4271616. Its totient is φ = 2768080.

The previous prime is 3509881. The next prime is 3509903. The reversal of 3509885 is 5889053.

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

It is not a de Polignac number, because 3509885 - 2² = 3509881 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 (3509881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589 + ... + 5298.

It is an arithmetic number, because the mean of its divisors is an integer number (533952).

Almost surely, 2^3509885 is an apocalyptic number.

It is an amenable number.

3509885 is a deficient number, since it is larger than the sum of its proper divisors (761731).

3509885 is an equidigital number, since it uses as much as digits as its factorization.

3509885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9963.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 3509885 is about 1873.4687080386. The cubic root of 3509885 is about 151.9722508208.

The spelling of 3509885 in words is "three million, five hundred nine thousand, eight hundred eighty-five".