196944539 has 24 divisors (see below), whose sum is σ = 226808400. Its totient is φ = 169545600.

The previous prime is 196944533. The next prime is 196944547. The reversal of 196944539 is 935449691.

It is not a de Polignac number, because 196944539 - 2²⁰ = 195895963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196944533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 564137 + ... + 564485.

It is an arithmetic number, because the mean of its divisors is an integer number (9450350).

Almost surely, 2^196944539 is an apocalyptic number.

196944539 is a deficient number, since it is larger than the sum of its proper divisors (29863861).

196944539 is a wasteful number, since it uses less digits than its factorization.

196944539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 450 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The square root of 196944539 is about 14033.6929922241. The cubic root of 196944539 is about 581.8101778973.

The spelling of 196944539 in words is "one hundred ninety-six million, nine hundred forty-four thousand, five hundred thirty-nine".