1238035916 has 48 divisors (see below), whose sum is σ = 2378648160. Its totient is φ = 560355840.

The previous prime is 1238035907. The next prime is 1238035949. The reversal of 1238035916 is 6195308321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1238035916.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 936536 + ... + 937856.

It is an arithmetic number, because the mean of its divisors is an integer number (49555170).

Almost surely, 2^1238035916 is an apocalyptic number.

It is an amenable number.

1238035916 is a deficient number, since it is larger than the sum of its proper divisors (1140612244).

1238035916 is a wasteful number, since it uses less digits than its factorization.

1238035916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1238035916 is about 35185.7345525143. The cubic root of 1238035916 is about 1073.7695432157.

The spelling of 1238035916 in words is "one billion, two hundred thirty-eight million, thirty-five thousand, nine hundred sixteen".