194848491 has 16 divisors (see below), whose sum is σ = 262368288. Its totient is φ = 128620800.

The previous prime is 194848487. The next prime is 194848513.

194848491 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 194848491 - 2² = 194848487 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194848491.

It is not an unprimeable number, because it can be changed into a prime (194848411) 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, 151945 + ... + 153221.

It is an arithmetic number, because the mean of its divisors is an integer number (16398018).

Almost surely, 2^194848491 is an apocalyptic number.

194848491 is a deficient number, since it is larger than the sum of its proper divisors (67519797).

194848491 is a wasteful number, since it uses less digits than its factorization.

194848491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742.

The product of its digits is 331776, while the sum is 48.

The square root of 194848491 is about 13958.8140971932. The cubic root of 194848491 is about 579.7387755483.

The spelling of 194848491 in words is "one hundred ninety-four million, eight hundred forty-eight thousand, four hundred ninety-one".