194409950 has 72 divisors (see below), whose sum is σ = 426794112. Its totient is φ = 65681280.

The previous prime is 194409911. The next prime is 194409953. The reversal of 194409950 is 59904491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194409898 and 194409907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194409953) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 178307 + ... + 179393.

It is an arithmetic number, because the mean of its divisors is an integer number (5927696).

Almost surely, 2^194409950 is an apocalyptic number.

194409950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194409950 is an abundant number, since it is smaller than the sum of its proper divisors (232384162).

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

194409950 is a wasteful number, since it uses less digits than its factorization.

194409950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 194409950 is about 13943.0968583023. The cubic root of 194409950 is about 579.3035139480.

The spelling of 194409950 in words is "one hundred ninety-four million, four hundred nine thousand, nine hundred fifty".