3958345 has 8 divisors (see below), whose sum is σ = 4866120. Its totient is φ = 3089280.

The previous prime is 3958343. The next prime is 3958349. The reversal of 3958345 is 5438593.

3958345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 104976 + 3853369 = 324^2 + 1963^2 .

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

It is not a de Polignac number, because 3958345 - 2¹ = 3958343 is a prime.

It is a d-powerful number, because it can be written as 3³ + 9³ + 5⁹ + 8⁵ + 3⁷ + 4⁷ + 5⁹ .

It is not an unprimeable number, because it can be changed into a prime (3958343) 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 7 ways as a sum of consecutive naturals, for example, 9450 + ... + 9859.

It is an arithmetic number, because the mean of its divisors is an integer number (608265).

Almost surely, 2^3958345 is an apocalyptic number.

It is an amenable number.

3958345 is a deficient number, since it is larger than the sum of its proper divisors (907775).

3958345 is a wasteful number, since it uses less digits than its factorization.

3958345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19355.

The product of its digits is 64800, while the sum is 37.

The square root of 3958345 is about 1989.5589963608. The cubic root of 3958345 is about 158.1871547121.

The spelling of 3958345 in words is "three million, nine hundred fifty-eight thousand, three hundred forty-five".