194693250 has 64 divisors (see below), whose sum is σ = 497337984. Its totient is φ = 50702400.

The previous prime is 194693249. The next prime is 194693251. The reversal of 194693250 is 52396491.

It is an interprime number because it is at equal distance from previous prime (194693249) and next prime (194693251).

It is a junction number, because it is equal to n+sod(n) for n = 194693199 and 194693208.

It is not an unprimeable number, because it can be changed into a prime (194693251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29232 + ... + 35268.

It is an arithmetic number, because the mean of its divisors is an integer number (7770906).

Almost surely, 2^194693250 is an apocalyptic number.

194693250 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 194693250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248668992).

194693250 is an abundant number, since it is smaller than the sum of its proper divisors (302644734).

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

194693250 is a wasteful number, since it uses less digits than its factorization.

194693250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100 (or 6090 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 194693250 is about 13953.2523090497. The cubic root of 194693250 is about 579.5847701824.

The spelling of 194693250 in words is "one hundred ninety-four million, six hundred ninety-three thousand, two hundred fifty".