190330449 has 4 divisors (see below), whose sum is σ = 253773936. Its totient is φ = 126886964.

The previous prime is 190330447. The next prime is 190330463. The reversal of 190330449 is 944033091.

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.

It is a cyclic number.

It is not a de Polignac number, because 190330449 - 2¹ = 190330447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (190330447) 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 3 ways as a sum of consecutive naturals, for example, 31721739 + ... + 31721744.

It is an arithmetic number, because the mean of its divisors is an integer number (63443484).

Almost surely, 2^190330449 is an apocalyptic number.

It is an amenable number.

190330449 is a deficient number, since it is larger than the sum of its proper divisors (63443487).

190330449 is an equidigital number, since it uses as much as digits as its factorization.

190330449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63443486.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 190330449 is about 13796.0301898771. The cubic root of 190330449 is about 575.2227985999. Note that the first 3 decimals are identical.

The spelling of 190330449 in words is "one hundred ninety million, three hundred thirty thousand, four hundred forty-nine".