619490996 has 12 divisors (see below), whose sum is σ = 1087182852. Its totient is φ = 308867328.

The previous prime is 619490987. The next prime is 619491013. The reversal of 619490996 is 699094916.

It can be written as a sum of positive squares in 2 ways, for example, as 369408400 + 250082596 = 19220^2 + 15814^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217955 + ... + 220778.

It is an arithmetic number, because the mean of its divisors is an integer number (90598571).

Almost surely, 2^619490996 is an apocalyptic number.

It is an amenable number.

619490996 is a deficient number, since it is larger than the sum of its proper divisors (467691856).

619490996 is a wasteful number, since it uses less digits than its factorization.

619490996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439090 (or 439088 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 619490996 is about 24889.5760510299. The cubic root of 619490996 is about 852.4684856901.

The spelling of 619490996 in words is "six hundred nineteen million, four hundred ninety thousand, nine hundred ninety-six".