10091598 has 32 divisors (see below), whose sum is σ = 22239360. Its totient is φ = 3027360.

The previous prime is 10091597. The next prime is 10091629. The reversal of 10091598 is 89519001.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10091597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6348 + ... + 7776.

It is an arithmetic number, because the mean of its divisors is an integer number (694980).

Almost surely, 2^10091598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10091598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11119680).

10091598 is an abundant number, since it is smaller than the sum of its proper divisors (12147762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10091598 is a wasteful number, since it uses less digits than its factorization.

10091598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 10091598 is about 3176.7275615010. The cubic root of 10091598 is about 216.0992770660.

The spelling of 10091598 in words is "ten million, ninety-one thousand, five hundred ninety-eight".