190449434 has 16 divisors (see below), whose sum is σ = 335309568. Its totient is φ = 79414992.

The previous prime is 190449403. The next prime is 190449517. The reversal of 190449434 is 434944091.

It is a happy number.

It is an unprimeable number.

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, 183314 + ... + 184349.

It is an arithmetic number, because the mean of its divisors is an integer number (20956848).

Almost surely, 2^190449434 is an apocalyptic number.

190449434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190449434 is a deficient number, since it is larger than the sum of its proper divisors (144860134).

190449434 is a wasteful number, since it uses less digits than its factorization.

190449434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367709.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 190449434 is about 13800.3418073611. The cubic root of 190449434 is about 575.3426403938.

The spelling of 190449434 in words is "one hundred ninety million, four hundred forty-nine thousand, four hundred thirty-four".