3868650 has 36 divisors (see below), whose sum is σ = 10394982. Its totient is φ = 1031520.

The previous prime is 3868649. The next prime is 3868679. The reversal of 3868650 is 568683.

It can be written as a sum of positive squares in 3 ways, for example, as 3207681 + 660969 = 1791^2 + 813^2 .

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 17 ways as a sum of consecutive naturals, for example, 3849 + ... + 4748.

Almost surely, 2^3868650 is an apocalyptic number.

3868650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3868650 is an abundant number, since it is smaller than the sum of its proper divisors (6526332).

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

3868650 is a wasteful number, since it uses less digits than its factorization.

3868650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8615 (or 8607 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 3868650 is about 1966.8884055787. Note that the first 3 decimals coincide. The cubic root of 3868650 is about 156.9831888636.

The spelling of 3868650 in words is "three million, eight hundred sixty-eight thousand, six hundred fifty".