103304389 has 2 divisors, whose sum is σ = 103304390. Its totient is φ = 103304388.

The previous prime is 103304381. The next prime is 103304437. The reversal of 103304389 is 983403301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92968164 + 10336225 = 9642^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 103304389 - 2³ = 103304381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103304389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103304381) 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 as a sum of consecutive naturals, namely, 51652194 + 51652195.

It is an arithmetic number, because the mean of its divisors is an integer number (51652195).

Almost surely, 2^103304389 is an apocalyptic number.

It is an amenable number.

103304389 is a deficient number, since it is larger than the sum of its proper divisors (1).

103304389 is an equidigital number, since it uses as much as digits as its factorization.

103304389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 103304389 is about 10163.8766718216. The cubic root of 103304389 is about 469.2161205420.

The spelling of 103304389 in words is "one hundred three million, three hundred four thousand, three hundred eighty-nine".