103289439 has 16 divisors (see below), whose sum is σ = 151392384. Its totient is φ = 62119200.

The previous prime is 103289429. The next prime is 103289443. The reversal of 103289439 is 934982301.

It is not a de Polignac number, because 103289439 - 2⁴ = 103289423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103289397 and 103289406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103289429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7624 + ... + 16269.

It is an arithmetic number, because the mean of its divisors is an integer number (9462024).

Almost surely, 2^103289439 is an apocalyptic number.

103289439 is a deficient number, since it is larger than the sum of its proper divisors (48102945).

103289439 is a wasteful number, since it uses less digits than its factorization.

103289439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24038.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 103289439 is about 10163.1411974842. The cubic root of 103289439 is about 469.1934847841.

The spelling of 103289439 in words is "one hundred three million, two hundred eighty-nine thousand, four hundred thirty-nine".