3968878 has 8 divisors (see below), whose sum is σ = 5968368. Its totient is φ = 1979424.

The previous prime is 3968873. The next prime is 3968893. The reversal of 3968878 is 8788693.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968873) 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, 1426 + ... + 3157.

It is an arithmetic number, because the mean of its divisors is an integer number (746046).

Almost surely, 2^3968878 is an apocalyptic number.

3968878 is a deficient number, since it is larger than the sum of its proper divisors (1999490).

3968878 is a wasteful number, since it uses less digits than its factorization.

3968878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018.

The product of its digits is 580608, while the sum is 49.

The square root of 3968878 is about 1992.2043067919. The cubic root of 3968878 is about 158.3273403703.

The spelling of 3968878 in words is "three million, nine hundred sixty-eight thousand, eight hundred seventy-eight".