109289238 has 16 divisors (see below), whose sum is σ = 228082176. Its totient is φ = 34845800.

The previous prime is 109289227. The next prime is 109289263. The reversal of 109289238 is 832982901.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 109289238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395838 + ... + 396113.

It is an arithmetic number, because the mean of its divisors is an integer number (14255136).

Almost surely, 2^109289238 is an apocalyptic number.

109289238 is an abundant number, since it is smaller than the sum of its proper divisors (118792938).

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

109289238 is a wasteful number, since it uses less digits than its factorization.

109289238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791979.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 109289238 is about 10454.1493197677. The cubic root of 109289238 is about 478.1077673485.

The spelling of 109289238 in words is "one hundred nine million, two hundred eighty-nine thousand, two hundred thirty-eight".