194195456 has 104 divisors (see below), whose sum is σ = 478878624. Its totient is φ = 76677120.

The previous prime is 194195453. The next prime is 194195461. The reversal of 194195456 is 654591491.

It is a tau number, because it is divible by the number of its divisors (104).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (194195453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372476 + ... + 372996.

Almost surely, 2^194195456 is an apocalyptic number.

194195456 is a gapful number since it is divisible by the number (16) 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 194195456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239439312).

194195456 is an abundant number, since it is smaller than the sum of its proper divisors (284683168).

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

194195456 is an equidigital number, since it uses as much as digits as its factorization.

194195456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565 (or 543 counting only the distinct ones).

The product of its digits is 194400, while the sum is 44.

The square root of 194195456 is about 13935.4029722861. The cubic root of 194195456 is about 579.0903855324.

The spelling of 194195456 in words is "one hundred ninety-four million, one hundred ninety-five thousand, four hundred fifty-six".