109609950 has 48 divisors (see below), whose sum is σ = 283660416. Its totient is φ = 27957600.

The previous prime is 109609939. The next prime is 109609987. The reversal of 109609950 is 59906901.

It is a super-2 number, since 2×109609950² = 24028682278005000, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 109609899 and 109609908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12436 + ... + 19335.

It is an arithmetic number, because the mean of its divisors is an integer number (5909592).

Almost surely, 2^109609950 is an apocalyptic number.

109609950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109609950 is an abundant number, since it is smaller than the sum of its proper divisors (174050466).

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

109609950 is a wasteful number, since it uses less digits than its factorization.

109609950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31809 (or 31804 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 109609950 is about 10469.4770643046. The cubic root of 109609950 is about 478.5749836904.

It can be divided in two parts, 10960 and 9950, that added together give a triangular number (20910 = T₂₀₄).

The spelling of 109609950 in words is "one hundred nine million, six hundred nine thousand, nine hundred fifty".