103439900 has 72 divisors (see below), whose sum is σ = 241297056. Its totient is φ = 38348800.

The previous prime is 103439899. The next prime is 103439911. The reversal of 103439900 is 9934301.

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 23 ways as a sum of consecutive naturals, for example, 120272 + ... + 121128.

It is an arithmetic number, because the mean of its divisors is an integer number (3351348).

Almost surely, 2^103439900 is an apocalyptic number.

103439900 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 103439900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120648528).

103439900 is an abundant number, since it is smaller than the sum of its proper divisors (137857156).

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

103439900 is a wasteful number, since it uses less digits than its factorization.

103439900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 103439900 is about 10170.5407919147. The cubic root of 103439900 is about 469.4211978680.

The spelling of 103439900 in words is "one hundred three million, four hundred thirty-nine thousand, nine hundred".