194981896 has 16 divisors (see below), whose sum is σ = 374508540. Its totient is φ = 95112960.

The previous prime is 194981893. The next prime is 194981903. The reversal of 194981896 is 698189491.

It can be written as a sum of positive squares in 2 ways, for example, as 192820996 + 2160900 = 13886^2 + 1470^2 .

It is not an unprimeable number, because it can be changed into a prime (194981893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296901 + ... + 297556.

Almost surely, 2^194981896 is an apocalyptic number.

It is an amenable number.

194981896 is a deficient number, since it is larger than the sum of its proper divisors (179526644).

194981896 is a wasteful number, since it uses less digits than its factorization.

194981896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594504 (or 594500 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 55.

The square root of 194981896 is about 13963.5918015387. The cubic root of 194981896 is about 579.8710533797.

It can be divided in two parts, 1949 and 81896, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 194981896 in words is "one hundred ninety-four million, nine hundred eighty-one thousand, eight hundred ninety-six".