3688850 has 48 divisors (see below), whose sum is σ = 7901280. Its totient is φ = 1267200.

The previous prime is 3688849. The next prime is 3688859. The reversal of 3688850 is 588863.

It is a happy number.

It is a super-2 number, since 2×3688850² = 27215228645000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3688859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10274 + ... + 10626.

It is an arithmetic number, because the mean of its divisors is an integer number (164610).

Almost surely, 2^3688850 is an apocalyptic number.

3688850 is an abundant number, since it is smaller than the sum of its proper divisors (4212430).

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

3688850 is a wasteful number, since it uses less digits than its factorization.

3688850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 3688850 is about 1920.6379148606. The cubic root of 3688850 is about 154.5125163106.

The spelling of 3688850 in words is "three million, six hundred eighty-eight thousand, eight hundred fifty".