3504688 has 20 divisors (see below), whose sum is σ = 7408008. Its totient is φ = 1592960.

The previous prime is 3504673. The next prime is 3504689. The reversal of 3504688 is 8864053.

3504688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504689) 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, 9781 + ... + 10132.

Almost surely, 2^3504688 is an apocalyptic number.

It is an amenable number.

3504688 is an abundant number, since it is smaller than the sum of its proper divisors (3903320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3504688 is a wasteful number, since it uses less digits than its factorization.

3504688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19932 (or 19926 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 3504688 is about 1872.0811948204. The cubic root of 3504688 is about 151.8972065843.

The spelling of 3504688 in words is "three million, five hundred four thousand, six hundred eighty-eight".