3860400 has 60 divisors (see below), whose sum is σ = 12369992. Its totient is φ = 1029120.

The previous prime is 3860387. The next prime is 3860431. The reversal of 3860400 is 40683.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 409 + ... + 2808.

Almost surely, 2^3860400 is an apocalyptic number.

3860400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3860400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6184996).

3860400 is an abundant number, since it is smaller than the sum of its proper divisors (8509592).

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

3860400 is a wasteful number, since it uses less digits than its factorization.

3860400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 3860400 is about 1964.7900651215. The cubic root of 3860400 is about 156.8715191579.

The spelling of 3860400 in words is "three million, eight hundred sixty thousand, four hundred".