103855440 has 80 divisors (see below), whose sum is σ = 346727808. Its totient is φ = 25563648.

The previous prime is 103855439. The next prime is 103855441. The reversal of 103855440 is 44558301.

It is an interprime number because it is at equal distance from previous prime (103855439) and next prime (103855441).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 103855398 and 103855407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103855441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13524 + ... + 19763.

Almost surely, 2^103855440 is an apocalyptic number.

103855440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103855440 is an abundant number, since it is smaller than the sum of its proper divisors (242872368).

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

103855440 is a wasteful number, since it uses less digits than its factorization.

103855440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33316 (or 33310 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 103855440 is about 10190.9489253945. The cubic root of 103855440 is about 470.0489461625.

The spelling of 103855440 in words is "one hundred three million, eight hundred fifty-five thousand, four hundred forty".