6590398 has 4 divisors (see below), whose sum is σ = 9885600. Its totient is φ = 3295198.

The previous prime is 6590357. The next prime is 6590413. The reversal of 6590398 is 8930956.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6590398.

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, 1647598 + ... + 1647601.

It is an arithmetic number, because the mean of its divisors is an integer number (2471400).

Almost surely, 2^6590398 is an apocalyptic number.

6590398 is a deficient number, since it is larger than the sum of its proper divisors (3295202).

6590398 is a wasteful number, since it uses less digits than its factorization.

6590398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295201.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 6590398 is about 2567.1770488223. The cubic root of 6590398 is about 187.4867356543.

The spelling of 6590398 in words is "six million, five hundred ninety thousand, three hundred ninety-eight".