108661392 has 80 divisors (see below), whose sum is σ = 356465280. Its totient is φ = 31045248.

The previous prime is 108661391. The next prime is 108661403. The reversal of 108661392 is 293166801.

It is a super-2 number, since 2×108661392² = 23614596222755328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (108661391) 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, 14943 + ... + 20990.

It is an arithmetic number, because the mean of its divisors is an integer number (4455816).

Almost surely, 2^108661392 is an apocalyptic number.

108661392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108661392 is an abundant number, since it is smaller than the sum of its proper divisors (247803888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108661392 is a wasteful number, since it uses less digits than its factorization.

108661392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35957 (or 35945 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 108661392 is about 10424.0775131423. The cubic root of 108661392 is about 477.1904622888.

The spelling of 108661392 in words is "one hundred eight million, six hundred sixty-one thousand, three hundred ninety-two".