200396643 has 16 divisors (see below), whose sum is σ = 274845312. Its totient is φ = 129800000.

The previous prime is 200396633. The next prime is 200396653. The reversal of 200396643 is 346693002.

It is an interprime number because it is at equal distance from previous prime (200396633) and next prime (200396653).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200396643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200396633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27628 + ... + 34118.

It is an arithmetic number, because the mean of its divisors is an integer number (17177832).

Almost surely, 2^200396643 is an apocalyptic number.

200396643 is a deficient number, since it is larger than the sum of its proper divisors (74448669).

200396643 is a wasteful number, since it uses less digits than its factorization.

200396643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 200396643 is about 14156.1521254895. The cubic root of 200396643 is about 585.1898894113.

The spelling of 200396643 in words is "two hundred million, three hundred ninety-six thousand, six hundred forty-three".