3688526 has 4 divisors (see below), whose sum is σ = 5532792. Its totient is φ = 1844262.

The previous prime is 3688519. The next prime is 3688537. The reversal of 3688526 is 6258863.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 3⁸ + 6⁶ + 8 + 8³ + 5⁹ + 2¹¹ + 6⁸ .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3688526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922130 + ... + 922133.

It is an arithmetic number, because the mean of its divisors is an integer number (1383198).

Almost surely, 2^3688526 is an apocalyptic number.

3688526 is a deficient number, since it is larger than the sum of its proper divisors (1844266).

3688526 is a wasteful number, since it uses less digits than its factorization.

3688526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844265.

The product of its digits is 69120, while the sum is 38.

The square root of 3688526 is about 1920.5535660325. The cubic root of 3688526 is about 154.5079924507.

The spelling of 3688526 in words is "three million, six hundred eighty-eight thousand, five hundred twenty-six".