200001393 has 12 divisors (see below), whose sum is σ = 299590928. Its totient is φ = 133334100.

The previous prime is 200001349. The next prime is 200001419. The reversal of 200001393 is 393100002.

It is not a de Polignac number, because 200001393 - 2⁹ = 200000881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200001343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 411283 + ... + 411768.

Almost surely, 2^200001393 is an apocalyptic number.

It is an amenable number.

200001393 is a deficient number, since it is larger than the sum of its proper divisors (99589535).

200001393 is an frugal number, since it uses more digits than its factorization.

200001393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823066 (or 823054 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 200001393 is about 14142.1848736325. The cubic root of 200001393 is about 584.8049053583.

Adding to 200001393 its reverse (393100002), we get a palindrome (593101395).

The spelling of 200001393 in words is "two hundred million, one thousand, three hundred ninety-three".