104840420 has 12 divisors (see below), whose sum is σ = 220164924. Its totient is φ = 41936160.

The previous prime is 104840389. The next prime is 104840431. The reversal of 104840420 is 24048401.

It can be written as a sum of positive squares in 2 ways, for example, as 82011136 + 22829284 = 9056^2 + 4778^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620991 + ... + 2621030.

It is an arithmetic number, because the mean of its divisors is an integer number (18347077).

Almost surely, 2^104840420 is an apocalyptic number.

104840420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104840420 is an abundant number, since it is smaller than the sum of its proper divisors (115324504).

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

104840420 is a wasteful number, since it uses less digits than its factorization.

104840420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242030 (or 5242028 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 104840420 is about 10239.1610984494. The cubic root of 104840420 is about 471.5302769765.

Adding to 104840420 its reverse (24048401), we get a palindrome (128888821).

The spelling of 104840420 in words is "one hundred four million, eight hundred forty thousand, four hundred twenty".