3528630 has 64 divisors (see below), whose sum is σ = 10759680. Its totient is φ = 806112.

The previous prime is 3528607. The next prime is 3528631. The reversal of 3528630 is 368253.

3528630 is a `hidden beast` number, since 3 + 5 + 28 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 3528594 and 3528603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528631) 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, 957 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (168120).

Almost surely, 2^3528630 is an apocalyptic number.

3528630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3528630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5379840).

3528630 is an abundant number, since it is smaller than the sum of its proper divisors (7231050).

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

3528630 is a wasteful number, since it uses less digits than its factorization.

3528630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3528630 is about 1878.4647987120. The cubic root of 3528630 is about 152.2423131842.

The spelling of 3528630 in words is "three million, five hundred twenty-eight thousand, six hundred thirty".