103705440 has 192 divisors, whose sum is σ = 352719360. Its totient is φ = 25518080.

The previous prime is 103705387. The next prime is 103705451. The reversal of 103705440 is 44507301.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 103705440.

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, 579271 + ... + 579449.

It is an arithmetic number, because the mean of its divisors is an integer number (1837080).

Almost surely, 2^103705440 is an apocalyptic number.

103705440 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 103705440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176359680).

103705440 is an abundant number, since it is smaller than the sum of its proper divisors (249013920).

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

103705440 is a wasteful number, since it uses less digits than its factorization.

103705440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 103705440 is about 10183.5867944453. The cubic root of 103705440 is about 469.8225374989.

The spelling of 103705440 in words is "one hundred three million, seven hundred five thousand, four hundred forty".