194648955 has 16 divisors (see below), whose sum is σ = 311961120. Its totient is φ = 103638528.

The previous prime is 194648933. The next prime is 194648959. The reversal of 194648955 is 559846491.

It is not a de Polignac number, because 194648955 - 2⁶ = 194648891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194648898 and 194648907.

It is not an unprimeable number, because it can be changed into a prime (194648959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1390 + ... + 19779.

It is an arithmetic number, because the mean of its divisors is an integer number (19497570).

Almost surely, 2^194648955 is an apocalyptic number.

194648955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194648955 is a deficient number, since it is larger than the sum of its proper divisors (117312165).

194648955 is a wasteful number, since it uses less digits than its factorization.

194648955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21790.

The product of its digits is 1555200, while the sum is 51.

The square root of 194648955 is about 13951.6649544060. The cubic root of 194648955 is about 579.5408127355.

The spelling of 194648955 in words is "one hundred ninety-four million, six hundred forty-eight thousand, nine hundred fifty-five".