200193937 has 4 divisors (see below), whose sum is σ = 210730480. Its totient is φ = 189657396.

The previous prime is 200193919. The next prime is 200193941. The reversal of 200193937 is 739391002.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200193937 is a prime.

It is a super-2 number, since 2×200193937² = 80155224823119938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200193967) 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, 5268243 + ... + 5268280.

It is an arithmetic number, because the mean of its divisors is an integer number (52682620).

Almost surely, 2^200193937 is an apocalyptic number.

It is an amenable number.

200193937 is a deficient number, since it is larger than the sum of its proper divisors (10536543).

200193937 is a wasteful number, since it uses less digits than its factorization.

200193937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10536542.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 200193937 is about 14148.9906707157. The cubic root of 200193937 is about 584.9925116532.

The spelling of 200193937 in words is "two hundred million, one hundred ninety-three thousand, nine hundred thirty-seven".