6409558 has 4 divisors (see below), whose sum is σ = 9614340. Its totient is φ = 3204778.

The previous prime is 6409549. The next prime is 6409577. The reversal of 6409558 is 8559046.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8559046 = 2 ⋅4279523.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602388 + ... + 1602391.

It is an arithmetic number, because the mean of its divisors is an integer number (2403585).

Almost surely, 2^6409558 is an apocalyptic number.

6409558 is a deficient number, since it is larger than the sum of its proper divisors (3204782).

6409558 is a wasteful number, since it uses less digits than its factorization.

6409558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204781.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 6409558 is about 2531.7104889778. The cubic root of 6409558 is about 185.7559330097.

The spelling of 6409558 in words is "six million, four hundred nine thousand, five hundred fifty-eight".