3503872 has 18 divisors (see below), whose sum is σ = 6994568. Its totient is φ = 1751808.

The previous prime is 3503869. The next prime is 3503881. The reversal of 3503872 is 2783053.

It is a self number, because there is not a number n which added to its sum of digits gives 3503872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6588 + ... + 7099.

Almost surely, 2^3503872 is an apocalyptic number.

3503872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3503872 is a deficient number, since it is larger than the sum of its proper divisors (3490696).

3503872 is an equidigital number, since it uses as much as digits as its factorization.

3503872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13703 (or 13689 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 3503872 is about 1871.8632428679. The cubic root of 3503872 is about 151.8854168765.

The spelling of 3503872 in words is "three million, five hundred three thousand, eight hundred seventy-two".