108491392 has 16 divisors (see below), whose sum is σ = 216135450. Its totient is φ = 54245632.

The previous prime is 108491381. The next prime is 108491393. The reversal of 108491392 is 293194801.

It can be written as a sum of positive squares in only one way, i.e., 106007616 + 2483776 = 10296^2 + 1576^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (108491393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423667 + ... + 423922.

Almost surely, 2^108491392 is an apocalyptic number.

It is an amenable number.

108491392 is a deficient number, since it is larger than the sum of its proper divisors (107644058).

108491392 is an frugal number, since it uses more digits than its factorization.

108491392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847603 (or 847591 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 108491392 is about 10415.9201225816. The cubic root of 108491392 is about 476.9414786678.

The spelling of 108491392 in words is "one hundred eight million, four hundred ninety-one thousand, three hundred ninety-two".