109198476 has 48 divisors (see below), whose sum is σ = 287351680. Its totient is φ = 35853840.

The previous prime is 109198469. The next prime is 109198477. The reversal of 109198476 is 674891901.

It is a happy number.

109198476 is a `hidden beast` number, since 1 + 0 + 91 + 98 + 476 = 666.

It is not an unprimeable number, because it can be changed into a prime (109198477) 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, 310 + ... + 14781.

Almost surely, 2^109198476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109198476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143675840).

109198476 is an abundant number, since it is smaller than the sum of its proper divisors (178153204).

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

109198476 is a wasteful number, since it uses less digits than its factorization.

109198476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15171 (or 15163 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 109198476 is about 10449.8074623411. The cubic root of 109198476 is about 477.9753784812.

The spelling of 109198476 in words is "one hundred nine million, one hundred ninety-eight thousand, four hundred seventy-six".