108986942 has 4 divisors (see below), whose sum is σ = 163480416. Its totient is φ = 54493470.

The previous prime is 108986923. The next prime is 108986947. The reversal of 108986942 is 249689801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249689801 = 37 ⋅6748373.

It is a super-2 number, since 2×108986942² = 23756307053022728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108986947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27246734 + ... + 27246737.

It is an arithmetic number, because the mean of its divisors is an integer number (40870104).

Almost surely, 2^108986942 is an apocalyptic number.

108986942 is a deficient number, since it is larger than the sum of its proper divisors (54493474).

108986942 is an equidigital number, since it uses as much as digits as its factorization.

108986942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54493473.

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 108986942 is about 10439.6811253984. The cubic root of 108986942 is about 477.6665420549. Note that the first 3 decimals are identical.

The spelling of 108986942 in words is "one hundred eight million, nine hundred eighty-six thousand, nine hundred forty-two".