109209468 has 24 divisors (see below), whose sum is σ = 259631568. Its totient is φ = 35716096.

The previous prime is 109209467. The next prime is 109209469. The reversal of 109209468 is 864902901.

109209468 is nontrivially palindromic in base 11.

It is an interprime number because it is at equal distance from previous prime (109209467) and next prime (109209469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109209461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85221 + ... + 86492.

It is an arithmetic number, because the mean of its divisors is an integer number (10817982).

Almost surely, 2^109209468 is an apocalyptic number.

It is an amenable number.

109209468 is an abundant number, since it is smaller than the sum of its proper divisors (150422100).

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

109209468 is a wasteful number, since it uses less digits than its factorization.

109209468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171773 (or 171771 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 109209468 is about 10450.3333918110. Note that the first 4 decimals coincide. The cubic root of 109209468 is about 477.9914157291.

The spelling of 109209468 in words is "one hundred nine million, two hundred nine thousand, four hundred sixty-eight".