104431765 has 16 divisors (see below), whose sum is σ = 133284528. Its totient is φ = 78278656.

The previous prime is 104431763. The next prime is 104431787. The reversal of 104431765 is 567134401.

It can be written as a sum of positive squares in 8 ways, for example, as 758641 + 103673124 = 871^2 + 10182^2 .

It is a cyclic number.

It is not a de Polignac number, because 104431765 - 2¹ = 104431763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104431763) 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 in 15 ways as a sum of consecutive naturals, for example, 17169 + ... + 22441.

It is an arithmetic number, because the mean of its divisors is an integer number (8330283).

Almost surely, 2^104431765 is an apocalyptic number.

It is an amenable number.

104431765 is a deficient number, since it is larger than the sum of its proper divisors (28852763).

104431765 is a wasteful number, since it uses less digits than its factorization.

104431765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 104431765 is about 10219.1861221919. The cubic root of 104431765 is about 470.9168236485.

The spelling of 104431765 in words is "one hundred four million, four hundred thirty-one thousand, seven hundred sixty-five".