199780414 has 16 divisors (see below), whose sum is σ = 307638720. Its totient is φ = 97269120.

The previous prime is 199780411. The next prime is 199780417. The reversal of 199780414 is 414087991.

It is an interprime number because it is at equal distance from previous prime (199780411) and next prime (199780417).

It is a super-2 number, since 2×199780414² = 79824427636022792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199780411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2874 + ... + 20194.

It is an arithmetic number, because the mean of its divisors is an integer number (19227420).

Almost surely, 2^199780414 is an apocalyptic number.

199780414 is a deficient number, since it is larger than the sum of its proper divisors (107858306).

199780414 is a wasteful number, since it uses less digits than its factorization.

199780414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17475.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 199780414 is about 14134.3699541225. The cubic root of 199780414 is about 584.5894448138.

The spelling of 199780414 in words is "one hundred ninety-nine million, seven hundred eighty thousand, four hundred fourteen".