190404927 has 12 divisors (see below), whose sum is σ = 275587000. Its totient is φ = 126679248.

The previous prime is 190404901. The next prime is 190404953. The reversal of 190404927 is 729404091.

It is an interprime number because it is at equal distance from previous prime (190404901) and next prime (190404953).

It is not a de Polignac number, because 190404927 - 2¹⁸ = 190142783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 190404891 and 190404900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190404967) 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 11 ways as a sum of consecutive naturals, for example, 16708 + ... + 25689.

Almost surely, 2^190404927 is an apocalyptic number.

190404927 is a deficient number, since it is larger than the sum of its proper divisors (85182073).

190404927 is a wasteful number, since it uses less digits than its factorization.

190404927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42902 (or 42899 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 190404927 is about 13798.7291806166. The cubic root of 190404927 is about 575.2978187503.

The spelling of 190404927 in words is "one hundred ninety million, four hundred four thousand, nine hundred twenty-seven".