109198486 has 4 divisors (see below), whose sum is σ = 163797732. Its totient is φ = 54599242.

The previous prime is 109198483. The next prime is 109198499. The reversal of 109198486 is 684891901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 684891901 = 1117 ⋅613153.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109198483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27299620 + ... + 27299623.

It is an arithmetic number, because the mean of its divisors is an integer number (40949433).

Almost surely, 2^109198486 is an apocalyptic number.

109198486 is a deficient number, since it is larger than the sum of its proper divisors (54599246).

109198486 is an equidigital number, since it uses as much as digits as its factorization.

109198486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54599245.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 109198486 is about 10449.8079408188. The cubic root of 109198486 is about 477.9753930716.

The spelling of 109198486 in words is "one hundred nine million, one hundred ninety-eight thousand, four hundred eighty-six".