619470916 has 12 divisors (see below), whose sum is σ = 1097797120. Its totient is φ = 305814600.

The previous prime is 619470899. The next prime is 619470931. The reversal of 619470916 is 619074916.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979860 + ... + 980491.

Almost surely, 2^619470916 is an apocalyptic number.

It is an amenable number.

619470916 is a deficient number, since it is larger than the sum of its proper divisors (478326204).

619470916 is a wasteful number, since it uses less digits than its factorization.

619470916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960434 (or 1960432 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 619470916 is about 24889.1726660410. The cubic root of 619470916 is about 852.4592750359.

The spelling of 619470916 in words is "six hundred nineteen million, four hundred seventy thousand, nine hundred sixteen".