3715978 has 8 divisors (see below), whose sum is σ = 6370272. Its totient is φ = 1592556.

The previous prime is 3715967. The next prime is 3715981. The reversal of 3715978 is 8795173.

3715978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3715978.

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 3 ways as a sum of consecutive naturals, for example, 132700 + ... + 132727.

It is an arithmetic number, because the mean of its divisors is an integer number (796284).

Almost surely, 2^3715978 is an apocalyptic number.

3715978 is a deficient number, since it is larger than the sum of its proper divisors (2654294).

3715978 is a wasteful number, since it uses less digits than its factorization.

3715978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265436.

The product of its digits is 52920, while the sum is 40.

The square root of 3715978 is about 1927.6872152919. The cubic root of 3715978 is about 154.8903560344.

The spelling of 3715978 in words is "three million, seven hundred fifteen thousand, nine hundred seventy-eight".