3944435958 has 12 divisors (see below), whose sum is σ = 8546277948. Its totient is φ = 1314811980.

The previous prime is 3944435953. The next prime is 3944435981. The reversal of 3944435958 is 8595344493.

3944435958 is a `hidden beast` number, since 3 + 9 + 4 + 4 + 43 + 595 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944435953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109567648 + ... + 109567683.

It is an arithmetic number, because the mean of its divisors is an integer number (712189829).

Almost surely, 2^3944435958 is an apocalyptic number.

3944435958 is an abundant number, since it is smaller than the sum of its proper divisors (4601841990).

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

3944435958 is a wasteful number, since it uses less digits than its factorization.

3944435958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219135339 (or 219135336 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The square root of 3944435958 is about 62804.7447092972. The cubic root of 3944435958 is about 1580.0165513942.

The spelling of 3944435958 in words is "three billion, nine hundred forty-four million, four hundred thirty-five thousand, nine hundred fifty-eight".