3945798 has 24 divisors (see below), whose sum is σ = 8845200. Its totient is φ = 1269744.

The previous prime is 3945761. The next prime is 3945803. The reversal of 3945798 is 8975493.

3945798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 11.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3258 + ... + 4301.

It is an arithmetic number, because the mean of its divisors is an integer number (368550).

Almost surely, 2^3945798 is an apocalyptic number.

3945798 is an abundant number, since it is smaller than the sum of its proper divisors (4899402).

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

3945798 is a wasteful number, since it uses less digits than its factorization.

3945798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7596 (or 7593 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 3945798 is about 1986.4032823171. The cubic root of 3945798 is about 158.0198394144.

The spelling of 3945798 in words is "three million, nine hundred forty-five thousand, seven hundred ninety-eight".