919868084 has 48 divisors (see below), whose sum is σ = 1696450560. Its totient is φ = 435892320.

The previous prime is 919868051. The next prime is 919868093. The reversal of 919868084 is 480868919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1430267 + ... + 1430909.

It is an arithmetic number, because the mean of its divisors is an integer number (35342720).

Almost surely, 2^919868084 is an apocalyptic number.

It is an amenable number.

919868084 is a deficient number, since it is larger than the sum of its proper divisors (776582476).

919868084 is a wasteful number, since it uses less digits than its factorization.

919868084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 53.

The square root of 919868084 is about 30329.3271273861. The cubic root of 919868084 is about 972.5423384796.

The spelling of 919868084 in words is "nine hundred nineteen million, eight hundred sixty-eight thousand, eighty-four".