3958549 has 4 divisors (see below), whose sum is σ = 4524064. Its totient is φ = 3393036.

The previous prime is 3958543. The next prime is 3958583. The reversal of 3958549 is 9458593.

It is a happy number.

3958549 is digitally balanced in base 8, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3958549 - 2¹¹ = 3956501 is a prime.

It is a super-2 number, since 2×3958549² = 31340220370802, which contains 22 as substring.

It is a Duffinian number.

3958549 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282747 + ... + 282760.

It is an arithmetic number, because the mean of its divisors is an integer number (1131016).

Almost surely, 2^3958549 is an apocalyptic number.

It is an amenable number.

3958549 is a deficient number, since it is larger than the sum of its proper divisors (565515).

3958549 is an equidigital number, since it uses as much as digits as its factorization.

3958549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565514.

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

The square root of 3958549 is about 1989.6102633430. The cubic root of 3958549 is about 158.1898721462.

The spelling of 3958549 in words is "three million, nine hundred fifty-eight thousand, five hundred forty-nine".