3503836 has 36 divisors (see below), whose sum is σ = 7461328. Its totient is φ = 1410048.

The previous prime is 3503831. The next prime is 3503839. The reversal of 3503836 is 6383053.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3503831) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7876 + ... + 8308.

Almost surely, 2^3503836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3503836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3730664).

3503836 is an abundant number, since it is smaller than the sum of its proper divisors (3957492).

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

3503836 is a wasteful number, since it uses less digits than its factorization.

3503836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 3503836 is about 1871.8536267561. The cubic root of 3503836 is about 151.8848967002.

Adding to 3503836 its reverse (6383053), we get a palindrome (9886889).

It can be divided in two parts, 350 and 3836, that added together give a triangular number (4186 = T₉₁).

The spelling of 3503836 in words is "three million, five hundred three thousand, eight hundred thirty-six".