1916462838 has 8 divisors (see below), whose sum is σ = 3832925688. Its totient is φ = 638820944.

The previous prime is 1916462837. The next prime is 1916462869. The reversal of 1916462838 is 8382646191.

It is a sphenic number, since it is the product of 3 distinct primes.

1916462838 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1916462837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159705231 + ... + 159705242.

It is an arithmetic number, because the mean of its divisors is an integer number (479115711).

Almost surely, 2^1916462838 is an apocalyptic number.

1916462838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1916462838 is a wasteful number, since it uses less digits than its factorization.

1916462838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319410478.

The product of its digits is 497664, while the sum is 48.

The square root of 1916462838 is about 43777.4238392348. The cubic root of 1916462838 is about 1242.1292842566.

The spelling of 1916462838 in words is "one billion, nine hundred sixteen million, four hundred sixty-two thousand, eight hundred thirty-eight".