196363381 has 4 divisors (see below), whose sum is σ = 196619500. Its totient is φ = 196107264.

The previous prime is 196363373. The next prime is 196363417. The reversal of 196363381 is 183363691.

196363381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 183363691 = 7 ⋅26194813.

It can be written as a sum of positive squares in 2 ways, for example, as 153983281 + 42380100 = 12409^2 + 6510^2 .

It is a cyclic number.

It is not a de Polignac number, because 196363381 - 2³ = 196363373 is a prime.

It is a super-2 number, since 2×196363381² = 77117154795502322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196363301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126906 + ... + 128443.

It is an arithmetic number, because the mean of its divisors is an integer number (49154875).

Almost surely, 2^196363381 is an apocalyptic number.

It is an amenable number.

196363381 is a deficient number, since it is larger than the sum of its proper divisors (256119).

196363381 is an equidigital number, since it uses as much as digits as its factorization.

196363381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256118.

The product of its digits is 69984, while the sum is 40.

The square root of 196363381 is about 14012.9718832231. The cubic root of 196363381 is about 581.2373317315.

The spelling of 196363381 in words is "one hundred ninety-six million, three hundred sixty-three thousand, three hundred eighty-one".