108891046 has 12 divisors (see below), whose sum is σ = 179535636. Its totient is φ = 49495820.

The previous prime is 108891023. The next prime is 108891059. The reversal of 108891046 is 640198801.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 108890996 and 108891014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224740 + ... + 225223.

It is an arithmetic number, because the mean of its divisors is an integer number (14961303).

Almost surely, 2^108891046 is an apocalyptic number.

108891046 is a deficient number, since it is larger than the sum of its proper divisors (70644590).

108891046 is a wasteful number, since it uses less digits than its factorization.

108891046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449987 (or 449976 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 108891046 is about 10435.0872540674. The cubic root of 108891046 is about 477.5264037006.

It can be divided in two parts, 10889 and 1046, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 108891046 in words is "one hundred eight million, eight hundred ninety-one thousand, forty-six".