200049999 has 16 divisors (see below), whose sum is σ = 285172992. Its totient is φ = 124299648.

The previous prime is 200049991. The next prime is 200050027. The reversal of 200049999 is 999940002.

It is not a de Polignac number, because 200049999 - 2³ = 200049991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200049999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200049991) 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, 13789 + ... + 24294.

It is an arithmetic number, because the mean of its divisors is an integer number (17823312).

Almost surely, 2^200049999 is an apocalyptic number.

200049999 is a deficient number, since it is larger than the sum of its proper divisors (85122993).

200049999 is a wasteful number, since it uses less digits than its factorization.

200049999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38206.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 200049999 is about 14143.9032448614. The cubic root of 200049999 is about 584.8522762365.

It can be divided in two parts, 20004 and 9999, that added together give a palindrome (30003).

The spelling of 200049999 in words is "two hundred million, forty-nine thousand, nine hundred ninety-nine".