109291898 has 8 divisors (see below), whose sum is σ = 165561300. Its totient is φ = 54104800.

The previous prime is 109291879. The next prime is 109291901. The reversal of 109291898 is 898192901.

It can be written as a sum of positive squares in 2 ways, for example, as 98942809 + 10349089 = 9947^2 + 3217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270323 + ... + 270726.

Almost surely, 2^109291898 is an apocalyptic number.

109291898 is a deficient number, since it is larger than the sum of its proper divisors (56269402).

109291898 is a wasteful number, since it uses less digits than its factorization.

109291898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541152.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 109291898 is about 10454.2765412055. The cubic root of 109291898 is about 478.1116462188. Note that the first 3 decimals are identical.

The spelling of 109291898 in words is "one hundred nine million, two hundred ninety-one thousand, eight hundred ninety-eight".