200378693 has 4 divisors (see below), whose sum is σ = 210924960. Its totient is φ = 189832428.

The previous prime is 200378687. The next prime is 200378713. The reversal of 200378693 is 396873002.

200378693 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 396873002 = 2 ⋅198436501.

It is a cyclic number.

It is not a de Polignac number, because 200378693 - 2¹⁸ = 200116549 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 (200378653) 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, 5273105 + ... + 5273142.

It is an arithmetic number, because the mean of its divisors is an integer number (52731240).

Almost surely, 2^200378693 is an apocalyptic number.

It is an amenable number.

200378693 is a deficient number, since it is larger than the sum of its proper divisors (10546267).

200378693 is a wasteful number, since it uses less digits than its factorization.

200378693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10546266.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 200378693 is about 14155.5181113232. The cubic root of 200378693 is about 585.1724166101.

The spelling of 200378693 in words is "two hundred million, three hundred seventy-eight thousand, six hundred ninety-three".