194983488 has 168 divisors, whose sum is σ = 656490432. Its totient is φ = 54162432.

The previous prime is 194983471. The next prime is 194983493. The reversal of 194983488 is 884389491.

194983488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×194983488² = 76037121185292288, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 148531 + ... + 149837.

Almost surely, 2^194983488 is an apocalyptic number.

194983488 is a gapful number since it is divisible by the number (18) 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 194983488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328245216).

194983488 is an abundant number, since it is smaller than the sum of its proper divisors (461506944).

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

194983488 is a wasteful number, since it uses less digits than its factorization.

194983488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1356 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 194983488 is about 13963.6488068126. The cubic root of 194983488 is about 579.8726315641.

The spelling of 194983488 in words is "one hundred ninety-four million, nine hundred eighty-three thousand, four hundred eighty-eight".