196045985 has 8 divisors (see below), whose sum is σ = 236008680. Its totient is φ = 156334464.

The previous prime is 196045979. The next prime is 196045999. The reversal of 196045985 is 589540691.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 717409 + 195328576 = 847^2 + 13976^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196045985 is a prime.

It is a super-3 number, since 3×196045985³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61070 + ... + 64199.

It is an arithmetic number, because the mean of its divisors is an integer number (29501085).

Almost surely, 2^196045985 is an apocalyptic number.

It is an amenable number.

196045985 is a deficient number, since it is larger than the sum of its proper divisors (39962695).

196045985 is a wasteful number, since it uses less digits than its factorization.

196045985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125587.

The product of its (nonzero) digits is 388800, while the sum is 47.

The square root of 196045985 is about 14001.6422251106. The cubic root of 196045985 is about 580.9239978674.

The spelling of 196045985 in words is "one hundred ninety-six million, forty-five thousand, nine hundred eighty-five".