3528665 has 16 divisors (see below), whose sum is σ = 4959360. Its totient is φ = 2359680.

The previous prime is 3528659. The next prime is 3528743. The reversal of 3528665 is 5668253.

It is not a de Polignac number, because 3528665 - 2⁴ = 3528649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206 + ... + 2664.

It is an arithmetic number, because the mean of its divisors is an integer number (309960).

Almost surely, 2^3528665 is an apocalyptic number.

3528665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3528665 is a deficient number, since it is larger than the sum of its proper divisors (1430695).

3528665 is a wasteful number, since it uses less digits than its factorization.

3528665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512.

The product of its digits is 43200, while the sum is 35.

The square root of 3528665 is about 1878.4741148070. The cubic root of 3528665 is about 152.2428165394.

The spelling of 3528665 in words is "three million, five hundred twenty-eight thousand, six hundred sixty-five".