3912378 has 8 divisors (see below), whose sum is σ = 7824768. Its totient is φ = 1304124.

The previous prime is 3912367. The next prime is 3912379. The reversal of 3912378 is 8732193.

It is a sphenic number, since it is the product of 3 distinct primes.

3912378 is an admirable number.

It is a super-2 number, since 2×3912378² = 30613403229768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3912379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326026 + ... + 326037.

It is an arithmetic number, because the mean of its divisors is an integer number (978096).

Almost surely, 2^3912378 is an apocalyptic number.

3912378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3912378 is a wasteful number, since it uses less digits than its factorization.

3912378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652068.

The product of its digits is 9072, while the sum is 33.

The square root of 3912378 is about 1977.9732050763. The cubic root of 3912378 is about 157.5724433684.

The spelling of 3912378 in words is "three million, nine hundred twelve thousand, three hundred seventy-eight".