103932989 has 2 divisors, whose sum is σ = 103932990. Its totient is φ = 103932988.

The previous prime is 103932973. The next prime is 103933003. The reversal of 103932989 is 989239301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101505625 + 2427364 = 10075^2 + 1558^2 .

It is a cyclic number.

It is not a de Polignac number, because 103932989 - 2⁴ = 103932973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103932919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51966494 + 51966495.

It is an arithmetic number, because the mean of its divisors is an integer number (51966495).

Almost surely, 2^103932989 is an apocalyptic number.

It is an amenable number.

103932989 is a deficient number, since it is larger than the sum of its proper divisors (1).

103932989 is an equidigital number, since it uses as much as digits as its factorization.

103932989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 103932989 is about 10194.7530131926. The cubic root of 103932989 is about 470.1659124528.

The spelling of 103932989 in words is "one hundred three million, nine hundred thirty-two thousand, nine hundred eighty-nine".