3959458 has 4 divisors (see below), whose sum is σ = 5939190. Its totient is φ = 1979728.

The previous prime is 3959441. The next prime is 3959477. The reversal of 3959458 is 8549593.

It is a happy number.

3959458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8549593 = 13 ⋅657661.

It can be written as a sum of positive squares in only one way, i.e., 2666689 + 1292769 = 1633^2 + 1137^2 .

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 as a sum of consecutive naturals, namely, 989863 + ... + 989866.

Almost surely, 2^3959458 is an apocalyptic number.

3959458 is a deficient number, since it is larger than the sum of its proper divisors (1979732).

3959458 is a wasteful number, since it uses less digits than its factorization.

3959458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979731.

The product of its digits is 194400, while the sum is 43.

The square root of 3959458 is about 1989.8386869292. The cubic root of 3959458 is about 158.2019795783.

The spelling of 3959458 in words is "three million, nine hundred fifty-nine thousand, four hundred fifty-eight".