3878154 has 36 divisors (see below), whose sum is σ = 9776754. Its totient is φ = 1107792.

The previous prime is 3878143. The next prime is 3878177. The reversal of 3878154 is 4518783.

3878154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3337929 + 540225 = 1827^2 + 735^2 .

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1317 + ... + 3080.

Almost surely, 2^3878154 is an apocalyptic number.

3878154 is an abundant number, since it is smaller than the sum of its proper divisors (5898600).

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

3878154 is a wasteful number, since it uses less digits than its factorization.

3878154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419 (or 4409 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 3878154 is about 1969.3029223560. The cubic root of 3878154 is about 157.1116357493. Note that the first 3 decimals are identical.

The spelling of 3878154 in words is "three million, eight hundred seventy-eight thousand, one hundred fifty-four".