3948918 has 8 divisors (see below), whose sum is σ = 7897848. Its totient is φ = 1316304.

The previous prime is 3948911. The next prime is 3948953. The reversal of 3948918 is 8198493.

3948918 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.

3948918 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 3948918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948911) by changing a digit.

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, 329071 + ... + 329082.

It is an arithmetic number, because the mean of its divisors is an integer number (987231).

Almost surely, 2^3948918 is an apocalyptic number.

3948918 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.

3948918 is a wasteful number, since it uses less digits than its factorization.

3948918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658158.

The product of its digits is 62208, while the sum is 42.

The square root of 3948918 is about 1987.1884661501. The cubic root of 3948918 is about 158.0614779718.

The spelling of 3948918 in words is "three million, nine hundred forty-eight thousand, nine hundred eighteen".