109409850 has 216 divisors, whose sum is σ = 345754656. Its totient is φ = 24552000.

The previous prime is 109409849. The next prime is 109409857. The reversal of 109409850 is 58904901.

It is not an unprimeable number, because it can be changed into a prime (109409857) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 3529335 + ... + 3529365.

It is an arithmetic number, because the mean of its divisors is an integer number (1600716).

Almost surely, 2^109409850 is an apocalyptic number.

109409850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109409850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172877328).

109409850 is an abundant number, since it is smaller than the sum of its proper divisors (236344806).

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

109409850 is a wasteful number, since it uses less digits than its factorization.

109409850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 109409850 is about 10459.9163476579. The cubic root of 109409850 is about 478.2835831769.

The spelling of 109409850 in words is "one hundred nine million, four hundred nine thousand, eight hundred fifty".