3524736 has 64 divisors (see below), whose sum is σ = 9571680. Its totient is φ = 1148928.

The previous prime is 3524713. The next prime is 3524737. The reversal of 3524736 is 6374253.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25660 + ... + 25796.

Almost surely, 2^3524736 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 3524736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4785840).

3524736 is an abundant number, since it is smaller than the sum of its proper divisors (6046944).

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

3524736 is a wasteful number, since it uses less digits than its factorization.

3524736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 209 counting only the distinct ones).

The product of its digits is 15120, while the sum is 30.

The square root of 3524736 is about 1877.4280279148. The cubic root of 3524736 is about 152.1862905188.

Adding to 3524736 its reverse (6374253), we get a palindrome (9898989).

The spelling of 3524736 in words is "three million, five hundred twenty-four thousand, seven hundred thirty-six".