3521760 has 192 divisors, whose sum is σ = 13063680. Its totient is φ = 788480.

The previous prime is 3521753. The next prime is 3521767. The reversal of 3521760 is 671253.

It is an interprime number because it is at equal distance from previous prime (3521753) and next prime (3521767).

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

It is a self number, because there is not a number n which added to its sum of digits gives 3521760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521767) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121426 + ... + 121454.

It is an arithmetic number, because the mean of its divisors is an integer number (68040).

Almost surely, 2^3521760 is an apocalyptic number.

3521760 is a gapful number since it is divisible by the number (30) 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 3521760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6531840).

3521760 is an abundant number, since it is smaller than the sum of its proper divisors (9541920).

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

3521760 is a wasteful number, since it uses less digits than its factorization.

3521760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 3521760 is about 1876.6352868898. The cubic root of 3521760 is about 152.1434472225.

It can be divided in two parts, 352 and 1760, that added together give a palindrome (2112).

The spelling of 3521760 in words is "three million, five hundred twenty-one thousand, seven hundred sixty".