196902386 has 4 divisors (see below), whose sum is σ = 295353582. Its totient is φ = 98451192.

The previous prime is 196902361. The next prime is 196902401. The reversal of 196902386 is 683209691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 683209691 = 41 ⋅16663651.

It can be written as a sum of positive squares in only one way, i.e., 189585361 + 7317025 = 13769^2 + 2705^2 .

It is a super-2 number, since 2×196902386² = 77541099224985992, which contains 22 as substring.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49225595 + ... + 49225598.

Almost surely, 2^196902386 is an apocalyptic number.

196902386 is a deficient number, since it is larger than the sum of its proper divisors (98451196).

196902386 is an equidigital number, since it uses as much as digits as its factorization.

196902386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98451195.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 196902386 is about 14032.1910619832. The cubic root of 196902386 is about 581.7686657123.

The spelling of 196902386 in words is "one hundred ninety-six million, nine hundred two thousand, three hundred eighty-six".