381600893 has 4 divisors (see below), whose sum is σ = 381910620. Its totient is φ = 381291168.

The previous prime is 381600881. The next prime is 381600911. The reversal of 381600893 is 398006183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 398006183 = 7673 ⋅51871.

It can be written as a sum of positive squares in 2 ways, for example, as 244547044 + 137053849 = 15638^2 + 11707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-381600893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381600493) 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, 153008 + ... + 155481.

It is an arithmetic number, because the mean of its divisors is an integer number (95477655).

Almost surely, 2^381600893 is an apocalyptic number.

It is an amenable number.

381600893 is a deficient number, since it is larger than the sum of its proper divisors (309727).

381600893 is a wasteful number, since it uses less digits than its factorization.

381600893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309726.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 381600893 is about 19534.6075722037. The cubic root of 381600893 is about 725.3313700422.

The spelling of 381600893 in words is "three hundred eighty-one million, six hundred thousand, eight hundred ninety-three".