109687938 has 16 divisors (see below), whose sum is σ = 220691520. Its totient is φ = 36343376.

The previous prime is 109687937. The next prime is 109687967. The reversal of 109687938 is 839786901.

It is a super-3 number, since 3×109687938³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (109687937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53733 + ... + 55736.

It is an arithmetic number, because the mean of its divisors is an integer number (13793220).

Almost surely, 2^109687938 is an apocalyptic number.

109687938 is an abundant number, since it is smaller than the sum of its proper divisors (111003582).

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

109687938 is a wasteful number, since it uses less digits than its factorization.

109687938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109641.

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 109687938 is about 10473.2009433602. The cubic root of 109687938 is about 478.6884595730.

The spelling of 109687938 in words is "one hundred nine million, six hundred eighty-seven thousand, nine hundred thirty-eight".