102791598 has 64 divisors (see below), whose sum is σ = 261230592. Its totient is φ = 26231040.

The previous prime is 102791597. The next prime is 102791603. The reversal of 102791598 is 895197201.

It is a super-2 number, since 2×102791598² = 21132225238787208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102791593) 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 31 ways as a sum of consecutive naturals, for example, 13890 + ... + 19962.

It is an arithmetic number, because the mean of its divisors is an integer number (4081728).

Almost surely, 2^102791598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102791598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130615296).

102791598 is an abundant number, since it is smaller than the sum of its proper divisors (158438994).

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

102791598 is a wasteful number, since it uses less digits than its factorization.

102791598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 45360, while the sum is 42.

The square root of 102791598 is about 10138.6191367464. The cubic root of 102791598 is about 468.4384542451.

The spelling of 102791598 in words is "one hundred two million, seven hundred ninety-one thousand, five hundred ninety-eight".