3868420 has 24 divisors (see below), whose sum is σ = 8193024. Its totient is φ = 1534176.

The previous prime is 3868399. The next prime is 3868427. The reversal of 3868420 is 248683.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3868427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1779 + ... + 3301.

It is an arithmetic number, because the mean of its divisors is an integer number (341376).

Almost surely, 2^3868420 is an apocalyptic number.

It is an amenable number.

3868420 is an abundant number, since it is smaller than the sum of its proper divisors (4324604).

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

3868420 is a wasteful number, since it uses less digits than its factorization.

3868420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1657 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 3868420 is about 1966.8299367256. The cubic root of 3868420 is about 156.9800777999.

The spelling of 3868420 in words is "three million, eight hundred sixty-eight thousand, four hundred twenty".