381156196 has 6 divisors (see below), whose sum is σ = 667023350. Its totient is φ = 190578096.

The previous prime is 381156179. The next prime is 381156197. The reversal of 381156196 is 691651183.

It can be written as a sum of positive squares in only one way, i.e., 380796196 + 360000 = 19514^2 + 600^2 .

It is not an unprimeable number, because it can be changed into a prime (381156197) by changing a digit.

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, 47644521 + ... + 47644528.

Almost surely, 2^381156196 is an apocalyptic number.

It is an amenable number.

381156196 is a deficient number, since it is larger than the sum of its proper divisors (285867154).

381156196 is a wasteful number, since it uses less digits than its factorization.

381156196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95289053 (or 95289051 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 381156196 is about 19523.2219676979. The cubic root of 381156196 is about 725.0495065678.

The spelling of 381156196 in words is "three hundred eighty-one million, one hundred fifty-six thousand, one hundred ninety-six".