103504440 has 128 divisors (see below), whose sum is σ = 342397440. Its totient is φ = 24869376.

The previous prime is 103504421. The next prime is 103504469. The reversal of 103504440 is 44405301.

It is a congruent number.

It is an unprimeable number.

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, 66309 + ... + 67851.

It is an arithmetic number, because the mean of its divisors is an integer number (2674980).

Almost surely, 2^103504440 is an apocalyptic number.

103504440 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 103504440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171198720).

103504440 is an abundant number, since it is smaller than the sum of its proper divisors (238893000).

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

103504440 is a wasteful number, since it uses less digits than its factorization.

103504440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 103504440 is about 10173.7131864428. The cubic root of 103504440 is about 469.5188073503.

Adding to 103504440 its reverse (44405301), we get a palindrome (147909741).

The spelling of 103504440 in words is "one hundred three million, five hundred four thousand, four hundred forty".