104420340 has 120 divisors (see below), whose sum is σ = 335412000. Its totient is φ = 27179712.

The previous prime is 104420321. The next prime is 104420347. The reversal of 104420340 is 43024401.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104420347) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68911 + ... + 70409.

It is an arithmetic number, because the mean of its divisors is an integer number (2795100).

Almost surely, 2^104420340 is an apocalyptic number.

104420340 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 104420340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167706000).

104420340 is an abundant number, since it is smaller than the sum of its proper divisors (230991660).

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

104420340 is a wasteful number, since it uses less digits than its factorization.

104420340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1552 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 104420340 is about 10218.6271093528. The cubic root of 104420340 is about 470.8996500075.

Adding to 104420340 its reverse (43024401), we get a palindrome (147444741).

The spelling of 104420340 in words is "one hundred four million, four hundred twenty thousand, three hundred forty".