190647097 has 4 divisors (see below), whose sum is σ = 190702080. Its totient is φ = 190592116.

The previous prime is 190647071. The next prime is 190647103. The reversal of 190647097 is 790746091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 790746091 = 331 ⋅2388961.

It is a cyclic number.

It is not a de Polignac number, because 190647097 - 2¹⁵ = 190614329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190647047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21913 + ... + 29350.

It is an arithmetic number, because the mean of its divisors is an integer number (47675520).

Almost surely, 2^190647097 is an apocalyptic number.

It is an amenable number.

190647097 is a deficient number, since it is larger than the sum of its proper divisors (54983).

190647097 is an equidigital number, since it uses as much as digits as its factorization.

190647097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54982.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 190647097 is about 13807.5014756472. The cubic root of 190647097 is about 575.5416164488.

The spelling of 190647097 in words is "one hundred ninety million, six hundred forty-seven thousand, ninety-seven".