3878159 has 4 divisors (see below), whose sum is σ = 4106304. Its totient is φ = 3650016.

The previous prime is 3878143. The next prime is 3878177. The reversal of 3878159 is 9518783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9518783 = 1021 ⋅9323.

It is a cyclic number.

It is not a de Polignac number, because 3878159 - 2⁴ = 3878143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3878359) 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 3 ways as a sum of consecutive naturals, for example, 114047 + ... + 114080.

It is an arithmetic number, because the mean of its divisors is an integer number (1026576).

Almost surely, 2^3878159 is an apocalyptic number.

3878159 is a deficient number, since it is larger than the sum of its proper divisors (228145).

3878159 is a wasteful number, since it uses less digits than its factorization.

3878159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228144.

The product of its digits is 60480, while the sum is 41.

The square root of 3878159 is about 1969.3041918404. The cubic root of 3878159 is about 157.1117032692. Note that the first 3 decimals are identical.

The spelling of 3878159 in words is "three million, eight hundred seventy-eight thousand, one hundred fifty-nine".