3525860 has 48 divisors (see below), whose sum is σ = 8128512. Its totient is φ = 1276800.

The previous prime is 3525859. The next prime is 3525869. The reversal of 3525860 is 685253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18365 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (169344).

Almost surely, 2^3525860 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 3525860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4064256).

3525860 is an abundant number, since it is smaller than the sum of its proper divisors (4602652).

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

3525860 is a wasteful number, since it uses less digits than its factorization.

3525860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3525860 is about 1877.7273497502. The cubic root of 3525860 is about 152.2024656509.

The spelling of 3525860 in words is "three million, five hundred twenty-five thousand, eight hundred sixty".