104644881 has 12 divisors (see below), whose sum is σ = 164895120. Its totient is φ = 63421080.

The previous prime is 104644879. The next prime is 104644907. The reversal of 104644881 is 188446401.

104644881 is a `hidden beast` number, since 1 + 0 + 4 + 644 + 8 + 8 + 1 = 666.

It is not a de Polignac number, because 104644881 - 2¹ = 104644879 is a prime.

It is a super-2 number, since 2×104644881² = 21901102239008322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (104644781) 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 11 ways as a sum of consecutive naturals, for example, 528411 + ... + 528608.

It is an arithmetic number, because the mean of its divisors is an integer number (13741260).

Almost surely, 2^104644881 is an apocalyptic number.

104644881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104644881 is a deficient number, since it is larger than the sum of its proper divisors (60250239).

104644881 is a wasteful number, since it uses less digits than its factorization.

104644881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057036 (or 1057033 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 104644881 is about 10229.6080570079. The cubic root of 104644881 is about 471.2369424624.

It can be divided in two parts, 1046448 and 81, that added together give a square (1046529 = 1023²).

The spelling of 104644881 in words is "one hundred four million, six hundred forty-four thousand, eight hundred eighty-one".