3528420 has 96 divisors (see below), whose sum is σ = 11698176. Its totient is φ = 777600.

The previous prime is 3528409. The next prime is 3528463. The reversal of 3528420 is 248253.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12885 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (121856).

Almost surely, 2^3528420 is an apocalyptic number.

3528420 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 3528420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5849088).

3528420 is an abundant number, since it is smaller than the sum of its proper divisors (8169756).

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

3528420 is a wasteful number, since it uses less digits than its factorization.

3528420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3528420 is about 1878.4089011714. The cubic root of 3528420 is about 152.2392929828.

The spelling of 3528420 in words is "three million, five hundred twenty-eight thousand, four hundred twenty".