10598991 has 8 divisors (see below), whose sum is σ = 15219120. Its totient is φ = 6522432.

The previous prime is 10598971. The next prime is 10599013. The reversal of 10598991 is 19989501.

10598991 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10598991 - 2⁶ = 10598927 is a prime.

It is a super-2 number, since 2×10598991² = 224677220436162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10598911) 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, 135846 + ... + 135923.

It is an arithmetic number, because the mean of its divisors is an integer number (1902390).

Almost surely, 2^10598991 is an apocalyptic number.

10598991 is a deficient number, since it is larger than the sum of its proper divisors (4620129).

10598991 is a wasteful number, since it uses less digits than its factorization.

10598991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271785.

The product of its (nonzero) digits is 29160, while the sum is 42.

The square root of 10598991 is about 3255.6091595890. The cubic root of 10598991 is about 219.6619532834.

The spelling of 10598991 in words is "ten million, five hundred ninety-eight thousand, nine hundred ninety-one".