103006439 has 4 divisors (see below), whose sum is σ = 103969224. Its totient is φ = 102043656.

The previous prime is 103006427. The next prime is 103006447. The reversal of 103006439 is 934600301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934600301 = 20021 ⋅46681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103006439 is a prime.

It is a super-2 number, since 2×103006439² = 21220652950921442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103006499) 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 3 ways as a sum of consecutive naturals, for example, 481232 + ... + 481445.

It is an arithmetic number, because the mean of its divisors is an integer number (25992306).

Almost surely, 2^103006439 is an apocalyptic number.

103006439 is a deficient number, since it is larger than the sum of its proper divisors (962785).

103006439 is an equidigital number, since it uses as much as digits as its factorization.

103006439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962784.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 103006439 is about 10149.2087868957. The cubic root of 103006439 is about 468.7645825626.

The spelling of 103006439 in words is "one hundred three million, six thousand, four hundred thirty-nine".