6591098 has 4 divisors (see below), whose sum is σ = 9886650. Its totient is φ = 3295548.

The previous prime is 6591089. The next prime is 6591163. The reversal of 6591098 is 8901956.

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

It can be written as a sum of positive squares in only one way, i.e., 5793649 + 797449 = 2407^2 + 893^2 .

It is an Ulam number.

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, 1647773 + ... + 1647776.

Almost surely, 2^6591098 is an apocalyptic number.

6591098 is a deficient number, since it is larger than the sum of its proper divisors (3295552).

6591098 is a wasteful number, since it uses less digits than its factorization.

6591098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295551.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 6591098 is about 2567.3133817281. The cubic root of 6591098 is about 187.4933733954.

The spelling of 6591098 in words is "six million, five hundred ninety-one thousand, ninety-eight".