190896047 has 4 divisors (see below), whose sum is σ = 197054016. Its totient is φ = 184738080.

The previous prime is 190896019. The next prime is 190896053. The reversal of 190896047 is 740698091.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190896047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190895989 and 190896007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190896547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3078938 + ... + 3078999.

It is an arithmetic number, because the mean of its divisors is an integer number (49263504).

Almost surely, 2^190896047 is an apocalyptic number.

190896047 is a deficient number, since it is larger than the sum of its proper divisors (6157969).

190896047 is an equidigital number, since it uses as much as digits as its factorization.

190896047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157968.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 190896047 is about 13816.5135616768. The cubic root of 190896047 is about 575.7920246054.

The spelling of 190896047 in words is "one hundred ninety million, eight hundred ninety-six thousand, forty-seven".