199487495 has 16 divisors (see below), whose sum is σ = 244492992. Its totient is φ = 156199680.

The previous prime is 199487489. The next prime is 199487501. The reversal of 199487495 is 594784991.

It is an interprime number because it is at equal distance from previous prime (199487489) and next prime (199487501).

It is not a de Polignac number, because 199487495 - 2¹² = 199483399 is a prime.

It is a super-2 number, since 2×199487495² = 79590521322750050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199487495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166619 + ... + 167811.

It is an arithmetic number, because the mean of its divisors is an integer number (15280812).

Almost surely, 2^199487495 is an apocalyptic number.

199487495 is a deficient number, since it is larger than the sum of its proper divisors (45005497).

199487495 is a wasteful number, since it uses less digits than its factorization.

199487495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882.

The product of its digits is 3265920, while the sum is 56.

The square root of 199487495 is about 14124.0042126870. The cubic root of 199487495 is about 584.3035957824.

The spelling of 199487495 in words is "one hundred ninety-nine million, four hundred eighty-seven thousand, four hundred ninety-five".