196520746 has 8 divisors (see below), whose sum is σ = 296933220. Its totient is φ = 97543008.

The previous prime is 196520729. The next prime is 196520759. The reversal of 196520746 is 647025691.

It can be written as a sum of positive squares in 2 ways, for example, as 189365121 + 7155625 = 13761^2 + 2675^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 196520699 and 196520708.

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, 358341 + ... + 358888.

Almost surely, 2^196520746 is an apocalyptic number.

196520746 is a deficient number, since it is larger than the sum of its proper divisors (100412474).

196520746 is a wasteful number, since it uses less digits than its factorization.

196520746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717368.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 196520746 is about 14018.5857346595. The cubic root of 196520746 is about 581.3925575335.

The spelling of 196520746 in words is "one hundred ninety-six million, five hundred twenty thousand, seven hundred forty-six".