109838474 has 4 divisors (see below), whose sum is σ = 164757714. Its totient is φ = 54919236.

The previous prime is 109838473. The next prime is 109838497. The reversal of 109838474 is 474838901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474838901 = 79 ⋅6010619.

It can be written as a sum of positive squares in only one way, i.e., 92987449 + 16851025 = 9643^2 + 4105^2 .

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (109838473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27459617 + ... + 27459620.

Almost surely, 2^109838474 is an apocalyptic number.

109838474 is a deficient number, since it is larger than the sum of its proper divisors (54919240).

109838474 is an equidigital number, since it uses as much as digits as its factorization.

109838474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54919239.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 109838474 is about 10480.3852028444. The cubic root of 109838474 is about 478.9073438835.

The spelling of 109838474 in words is "one hundred nine million, eight hundred thirty-eight thousand, four hundred seventy-four".