109838349 has 30 divisors (see below), whose sum is σ = 167041710. Its totient is φ = 71925840.

The previous prime is 109838347. The next prime is 109838357. The reversal of 109838349 is 943838901.

It can be written as a sum of positive squares in only one way, i.e., 69006249 + 40832100 = 8307^2 + 6390^2 .

It is not a de Polignac number, because 109838349 - 2¹ = 109838347 is a prime.

It is a super-2 number, since 2×109838349² = 24128925822091602, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109838347) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 408187 + ... + 408455.

It is an arithmetic number, because the mean of its divisors is an integer number (5568057).

Almost surely, 2^109838349 is an apocalyptic number.

It is an amenable number.

109838349 is a deficient number, since it is larger than the sum of its proper divisors (57203361).

109838349 is an frugal number, since it uses more digits than its factorization.

109838349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 343 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 109838349 is about 10480.3792393214. The cubic root of 109838349 is about 478.9071622124.

The spelling of 109838349 in words is "one hundred nine million, eight hundred thirty-eight thousand, three hundred forty-nine".