3878414 has 16 divisors (see below), whose sum is σ = 6328368. Its totient is φ = 1775232.

The previous prime is 3878401. The next prime is 3878423. The reversal of 3878414 is 4148783.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 2799.

It is an arithmetic number, because the mean of its divisors is an integer number (395523).

Almost surely, 2^3878414 is an apocalyptic number.

3878414 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

3878414 is a deficient number, since it is larger than the sum of its proper divisors (2449954).

3878414 is a wasteful number, since it uses less digits than its factorization.

3878414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139.

The product of its digits is 21504, while the sum is 35.

The square root of 3878414 is about 1969.3689344559. The cubic root of 3878414 is about 157.1151467077.

The spelling of 3878414 in words is "three million, eight hundred seventy-eight thousand, four hundred fourteen".