3520536 has 24 divisors (see below), whose sum is σ = 8824380. Its totient is φ = 1170448.

The previous prime is 3520519. The next prime is 3520537. The reversal of 3520536 is 6350253.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520537) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9001 + ... + 9383.

Almost surely, 2^3520536 is an apocalyptic number.

It is an amenable number.

3520536 is an abundant number, since it is smaller than the sum of its proper divisors (5303844).

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

3520536 is an equidigital number, since it uses as much as digits as its factorization.

3520536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 3520536 is about 1876.3091429719. The cubic root of 3520536 is about 152.1258191845.

Multiplying 3520536 by its sum of digits (24), we get a square (84492864 = 9192²).

3520536 divided by its sum of digits (24) gives a square (146689 = 383²).

Adding to 3520536 its reverse (6350253), we get a palindrome (9870789).

The spelling of 3520536 in words is "three million, five hundred twenty thousand, five hundred thirty-six".