194211072 has 216 divisors, whose sum is σ = 624973440. Its totient is φ = 57507840.

The previous prime is 194211047. The next prime is 194211107. The reversal of 194211072 is 270112491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2002128 + ... + 2002224.

Almost surely, 2^194211072 is an apocalyptic number.

194211072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194211072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312486720).

194211072 is an abundant number, since it is smaller than the sum of its proper divisors (430762368).

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

194211072 is a wasteful number, since it uses less digits than its factorization.

194211072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 194211072 is about 13935.9632605715. The cubic root of 194211072 is about 579.1059074079.

The spelling of 194211072 in words is "one hundred ninety-four million, two hundred eleven thousand, seventy-two".