3878180 has 24 divisors (see below), whose sum is σ = 8191680. Its totient is φ = 1542240.

The previous prime is 3878177. The next prime is 3878183. The reversal of 3878180 is 818783.

3878180 = T₁₂₄₃ + T₁₂₄₄ + ... + T₁₂₄₇.

3878180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3878177) and next prime (3878183).

It is a super-2 number, since 2×3878180² = 30080560224800, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3878180.

It is not an unprimeable number, because it can be changed into a prime (3878183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3761 + ... + 4679.

It is an arithmetic number, because the mean of its divisors is an integer number (341320).

Almost surely, 2^3878180 is an apocalyptic number.

It is an amenable number.

3878180 is an abundant number, since it is smaller than the sum of its proper divisors (4313500).

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

3878180 is a wasteful number, since it uses less digits than its factorization.

3878180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 3878180 is about 1969.3095236656. The cubic root of 3878180 is about 157.1119868522. Note that the first 3 decimals are identical.

The spelling of 3878180 in words is "three million, eight hundred seventy-eight thousand, one hundred eighty".