104989500 has 384 divisors, whose sum is σ = 427714560. Its totient is φ = 21600000.

The previous prime is 104989447. The next prime is 104989517. The reversal of 104989500 is 5989401.

It is a super-2 number, since 2×104989500² = 22045590220500000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1039450 + ... + 1039550.

It is an arithmetic number, because the mean of its divisors is an integer number (1113840).

Almost surely, 2^104989500 is an apocalyptic number.

104989500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104989500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213857280).

104989500 is an abundant number, since it is smaller than the sum of its proper divisors (322725060).

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

104989500 is a wasteful number, since it uses less digits than its factorization.

104989500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 104989500 is about 10246.4384056120. The cubic root of 104989500 is about 471.7536718608.

Subtracting from 104989500 its reverse (5989401), we obtain a palindrome (99000099).

The spelling of 104989500 in words is "one hundred four million, nine hundred eighty-nine thousand, five hundred".