3958557 has 8 divisors (see below), whose sum is σ = 5301120. Its totient is φ = 2627520.

The previous prime is 3958543. The next prime is 3958583. The reversal of 3958557 is 7558593.

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

It is not a de Polignac number, because 3958557 - 2¹¹ = 3956509 is a prime.

It is an Ulam number.

3958557 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044 + ... + 3477.

It is an arithmetic number, because the mean of its divisors is an integer number (662640).

Almost surely, 2^3958557 is an apocalyptic number.

It is an amenable number.

3958557 is a deficient number, since it is larger than the sum of its proper divisors (1342563).

3958557 is a wasteful number, since it uses less digits than its factorization.

3958557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5763.

The product of its digits is 189000, while the sum is 42.

The square root of 3958557 is about 1989.6122737860. The cubic root of 3958557 is about 158.1899787104.

The spelling of 3958557 in words is "three million, nine hundred fifty-eight thousand, five hundred fifty-seven".