3828678 has 16 divisors (see below), whose sum is σ = 8751360. Its totient is φ = 1093896.

The previous prime is 3828673. The next prime is 3828683. The reversal of 3828678 is 8768283.

It is an interprime number because it is at equal distance from previous prime (3828673) and next prime (3828683).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 91159 = 3828678 / (3 + 8 + 2 + 8 + 6 + 7 + 8).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3828673) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 45538 + ... + 45621.

It is an arithmetic number, because the mean of its divisors is an integer number (546960).

Almost surely, 2^3828678 is an apocalyptic number.

3828678 is an abundant number, since it is smaller than the sum of its proper divisors (4922682).

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

3828678 is a wasteful number, since it uses less digits than its factorization.

3828678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91171.

The product of its digits is 129024, while the sum is 42.

The square root of 3828678 is about 1956.7007947052. The cubic root of 3828678 is about 156.4406509063.

The spelling of 3828678 in words is "three million, eight hundred twenty-eight thousand, six hundred seventy-eight".