3944278046 has 8 divisors (see below), whose sum is σ = 5920550064. Its totient is φ = 1970761360.

The previous prime is 3944278003. The next prime is 3944278133. The reversal of 3944278046 is 6408724493.

It is a happy number.

3944278046 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685250 + ... + 690981.

It is an arithmetic number, because the mean of its divisors is an integer number (740068758).

Almost surely, 2^3944278046 is an apocalyptic number.

3944278046 is a deficient number, since it is larger than the sum of its proper divisors (1976272018).

3944278046 is a wasteful number, since it uses less digits than its factorization.

3944278046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377666.

The product of its (nonzero) digits is 1161216, while the sum is 47.

The square root of 3944278046 is about 62803.4875305504. The cubic root of 3944278046 is about 1579.9954662584.

The spelling of 3944278046 in words is "three billion, nine hundred forty-four million, two hundred seventy-eight thousand, forty-six".