3500544 has 80 divisors (see below), whose sum is σ = 9722592. Its totient is φ = 1118208.

The previous prime is 3500537. The next prime is 3500557. The reversal of 3500544 is 4450053.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3500544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66022 + ... + 66074.

Almost surely, 2^3500544 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 3500544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4861296).

3500544 is an abundant number, since it is smaller than the sum of its proper divisors (6222048).

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

3500544 is an equidigital number, since it uses as much as digits as its factorization.

3500544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3500544 is about 1870.9740778536. The cubic root of 3500544 is about 151.8373143977.

Adding to 3500544 its reverse (4450053), we get a palindrome (7950597).

The spelling of 3500544 in words is "three million, five hundred thousand, five hundred forty-four".