103439238 has 16 divisors (see below), whose sum is σ = 236432640. Its totient is φ = 29554056.

The previous prime is 103439221. The next prime is 103439239. The reversal of 103439238 is 832934301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103439199 and 103439208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103439239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1231378 + ... + 1231461.

It is an arithmetic number, because the mean of its divisors is an integer number (14777040).

Almost surely, 2^103439238 is an apocalyptic number.

103439238 is an abundant number, since it is smaller than the sum of its proper divisors (132993402).

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

103439238 is a wasteful number, since it uses less digits than its factorization.

103439238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2462851.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 103439238 is about 10170.5082468872. The cubic root of 103439238 is about 469.4201964572.

The spelling of 103439238 in words is "one hundred three million, four hundred thirty-nine thousand, two hundred thirty-eight".