109009590 has 16 divisors (see below), whose sum is σ = 261623088. Its totient is φ = 29069216.

The previous prime is 109009583. The next prime is 109009597. The reversal of 109009590 is 95900901.

It is an interprime number because it is at equal distance from previous prime (109009583) and next prime (109009597).

It is a super-3 number, since 3×109009590³ (a number of 25 digits) contains 333 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109009597) 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, 1816797 + ... + 1816856.

It is an arithmetic number, because the mean of its divisors is an integer number (16351443).

Almost surely, 2^109009590 is an apocalyptic number.

109009590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109009590 is an abundant number, since it is smaller than the sum of its proper divisors (152613498).

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

109009590 is a wasteful number, since it uses less digits than its factorization.

109009590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3633663.

The product of its (nonzero) digits is 3645, while the sum is 33.

The square root of 109009590 is about 10440.7657765128. The cubic root of 109009590 is about 477.6996268825.

The spelling of 109009590 in words is "one hundred nine million, nine thousand, five hundred ninety".