108297638 has 4 divisors (see below), whose sum is σ = 162446460. Its totient is φ = 54148818.

The previous prime is 108297611. The next prime is 108297641. The reversal of 108297638 is 836792801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 836792801 = 13 ⋅64368677.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27074408 + ... + 27074411.

It is an arithmetic number, because the mean of its divisors is an integer number (40611615).

Almost surely, 2^108297638 is an apocalyptic number.

108297638 is a deficient number, since it is larger than the sum of its proper divisors (54148822).

108297638 is an equidigital number, since it uses as much as digits as its factorization.

108297638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54148821.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 108297638 is about 10406.6151077091. The cubic root of 108297638 is about 476.6573873580.

The spelling of 108297638 in words is "one hundred eight million, two hundred ninety-seven thousand, six hundred thirty-eight".