104432387 has 2 divisors, whose sum is σ = 104432388. Its totient is φ = 104432386.

The previous prime is 104432381. The next prime is 104432399. The reversal of 104432387 is 783234401.

It is a weak prime.

It is an emirp because it is prime and its reverse (783234401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104432387 - 2⁸ = 104432131 is a prime.

It is a super-2 number, since 2×104432387² = 21812246909035538, which contains 22 as substring.

It is a zygodrome in base 2.

It is not a weakly prime, because it can be changed into another prime (104432381) 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, 52216193 + 52216194.

It is an arithmetic number, because the mean of its divisors is an integer number (52216194).

Almost surely, 2^104432387 is an apocalyptic number.

104432387 is a deficient number, since it is larger than the sum of its proper divisors (1).

104432387 is an equidigital number, since it uses as much as digits as its factorization.

104432387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 104432387 is about 10219.2165550985. The cubic root of 104432387 is about 470.9177585801.

Adding to 104432387 its reverse (783234401), we get a palindrome (887666788).

The spelling of 104432387 in words is "one hundred four million, four hundred thirty-two thousand, three hundred eighty-seven".