199461387 has 8 divisors (see below), whose sum is σ = 266896080. Its totient is φ = 132500480.

The previous prime is 199461341. The next prime is 199461397. The reversal of 199461387 is 783164991.

It is a happy number.

199461387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 199461387 - 2⁸ = 199461131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (199461397) 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, 117462 + ... + 119147.

It is an arithmetic number, because the mean of its divisors is an integer number (33362010).

Almost surely, 2^199461387 is an apocalyptic number.

199461387 is a deficient number, since it is larger than the sum of its proper divisors (67434693).

199461387 is a wasteful number, since it uses less digits than its factorization.

199461387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236893.

The product of its digits is 326592, while the sum is 48.

The square root of 199461387 is about 14123.0799402963. The cubic root of 199461387 is about 584.2781043536.

The spelling of 199461387 in words is "one hundred ninety-nine million, four hundred sixty-one thousand, three hundred eighty-seven".