104640532 has 6 divisors (see below), whose sum is σ = 183120938. Its totient is φ = 52320264.

The previous prime is 104640527. The next prime is 104640539. The reversal of 104640532 is 235046401.

It can be written as a sum of positive squares in only one way, i.e., 95961616 + 8678916 = 9796^2 + 2946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 104640497 and 104640506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104640539) 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, 13080063 + ... + 13080070.

Almost surely, 2^104640532 is an apocalyptic number.

It is an amenable number.

104640532 is a deficient number, since it is larger than the sum of its proper divisors (78480406).

104640532 is a wasteful number, since it uses less digits than its factorization.

104640532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26160137 (or 26160135 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 104640532 is about 10229.3954855602. The cubic root of 104640532 is about 471.2304142315.

Adding to 104640532 its reverse (235046401), we get a palindrome (339686933).

The spelling of 104640532 in words is "one hundred four million, six hundred forty thousand, five hundred thirty-two".