3504996 has 72 divisors (see below), whose sum is σ = 9906624. Its totient is φ = 1035840.

The previous prime is 3504979. The next prime is 3504997. The reversal of 3504996 is 6994053.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3504996.

It is not an unprimeable number, because it can be changed into a prime (3504997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20905 + ... + 21071.

It is an arithmetic number, because the mean of its divisors is an integer number (137592).

Almost surely, 2^3504996 is an apocalyptic number.

3504996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3504996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4953312).

3504996 is an abundant number, since it is smaller than the sum of its proper divisors (6401628).

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

3504996 is a wasteful number, since it uses less digits than its factorization.

3504996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3504996 is about 1872.1634544024. The cubic root of 3504996 is about 151.9016561453.

The spelling of 3504996 in words is "three million, five hundred four thousand, nine hundred ninety-six".