194481000 has 400 divisors, whose sum is σ = 793075140. Its totient is φ = 44452800.

The previous prime is 194480983. The next prime is 194481013. The reversal of 194481000 is 184491.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 131469156 + 63011844 = 11466^2 + 7938^2 .

It is a super-2 number, since 2×194481000² = 75645718722000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 27782997 + ... + 27783003.

Almost surely, 2^194481000 is an apocalyptic number.

194481000 is a gapful number since it is divisible by the number (10) 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 194481000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396537570).

194481000 is an abundant number, since it is smaller than the sum of its proper divisors (598594140).

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

194481000 is an frugal number, since it uses more digits than its factorization.

194481000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 194481000 is about 13945.6444813426. The cubic root of 194481000 is about 579.3740770400.

It can be divided in two parts, 1944 and 81000, that multiplied together give a cube (157464000 = 540³).

The spelling of 194481000 in words is "one hundred ninety-four million, four hundred eighty-one thousand".