199354407 has 32 divisors (see below), whose sum is σ = 312356352. Its totient is φ = 110726784.

The previous prime is 199354391. The next prime is 199354417. The reversal of 199354407 is 704453991.

It is not a de Polignac number, because 199354407 - 2⁴ = 199354391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199354417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249733 + ... + 250529.

It is an arithmetic number, because the mean of its divisors is an integer number (9761136).

Almost surely, 2^199354407 is an apocalyptic number.

199354407 is a deficient number, since it is larger than the sum of its proper divisors (113001945).

199354407 is a wasteful number, since it uses less digits than its factorization.

199354407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127.

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 199354407 is about 14119.2920148285. The cubic root of 199354407 is about 584.1736275744.

It can be divided in two parts, 19935 and 4407, that added together give a palindrome (24342).

The spelling of 199354407 in words is "one hundred ninety-nine million, three hundred fifty-four thousand, four hundred seven".