190862997 has 8 divisors (see below), whose sum is σ = 274059744. Its totient is φ = 117454128.

The previous prime is 190862977. The next prime is 190863011. The reversal of 190862997 is 799268091.

It is a happy number.

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

It is not a de Polignac number, because 190862997 - 2⁶ = 190862933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190862957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2446923 + ... + 2447000.

It is an arithmetic number, because the mean of its divisors is an integer number (34257468).

Almost surely, 2^190862997 is an apocalyptic number.

It is an amenable number.

190862997 is a deficient number, since it is larger than the sum of its proper divisors (83196747).

190862997 is a wasteful number, since it uses less digits than its factorization.

190862997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893939.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 190862997 is about 13815.3174773510. The cubic root of 190862997 is about 575.7587935616.

The spelling of 190862997 in words is "one hundred ninety million, eight hundred sixty-two thousand, nine hundred ninety-seven".