196543924 has 12 divisors (see below), whose sum is σ = 358906464. Its totient is φ = 93999224.

The previous prime is 196543909. The next prime is 196543939. The reversal of 196543924 is 429345691.

It is an interprime number because it is at equal distance from previous prime (196543909) and next prime (196543939).

It is a super-2 number, since 2×196543924² = 77259028122635552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1068082 + ... + 1068265.

It is an arithmetic number, because the mean of its divisors is an integer number (29908872).

Almost surely, 2^196543924 is an apocalyptic number.

It is an amenable number.

196543924 is a deficient number, since it is larger than the sum of its proper divisors (162362540).

196543924 is a wasteful number, since it uses less digits than its factorization.

196543924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136374 (or 2136372 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 196543924 is about 14019.4123985280. The cubic root of 196543924 is about 581.4154134529.

The spelling of 196543924 in words is "one hundred ninety-six million, five hundred forty-three thousand, nine hundred twenty-four".