199485190 has 8 divisors (see below), whose sum is σ = 359073360. Its totient is φ = 79794072.

The previous prime is 199485149. The next prime is 199485203. The reversal of 199485190 is 91584991.

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

It is a super-2 number, since 2×199485190² = 79588682058672200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 199485190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9974250 + ... + 9974269.

It is an arithmetic number, because the mean of its divisors is an integer number (44884170).

Almost surely, 2^199485190 is an apocalyptic number.

199485190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199485190 is a deficient number, since it is larger than the sum of its proper divisors (159588170).

199485190 is a wasteful number, since it uses less digits than its factorization.

199485190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19948526.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 199485190 is about 14123.9226137784. The cubic root of 199485190 is about 584.3013453072.

The spelling of 199485190 in words is "one hundred ninety-nine million, four hundred eighty-five thousand, one hundred ninety".