619490234 has 48 divisors (see below), whose sum is σ = 1128665664. Its totient is φ = 253461120.

The previous prime is 619490233. The next prime is 619490237. The reversal of 619490234 is 432094916.

It is not an unprimeable number, because it can be changed into a prime (619490233) 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 23 ways as a sum of consecutive naturals, for example, 91349 + ... + 97895.

It is an arithmetic number, because the mean of its divisors is an integer number (23513868).

Almost surely, 2^619490234 is an apocalyptic number.

619490234 is a deficient number, since it is larger than the sum of its proper divisors (509175430).

619490234 is a wasteful number, since it uses less digits than its factorization.

619490234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6611 (or 6600 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 619490234 is about 24889.5607434121. The cubic root of 619490234 is about 852.4681361660.

The spelling of 619490234 in words is "six hundred nineteen million, four hundred ninety thousand, two hundred thirty-four".