919114728 has 48 divisors (see below), whose sum is σ = 2627165280. Its totient is φ = 262491936.

The previous prime is 919114717. The next prime is 919114739. The reversal of 919114728 is 827411919.

919114728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (919114717) and next prime (919114739).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 919114728.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 391783 + ... + 394121.

It is an arithmetic number, because the mean of its divisors is an integer number (54732610).

Almost surely, 2^919114728 is an apocalyptic number.

It is an amenable number.

919114728 is an abundant number, since it is smaller than the sum of its proper divisors (1708050552).

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

919114728 is an equidigital number, since it uses as much as digits as its factorization.

919114728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4694 (or 2351 counting only the distinct ones).

The product of its digits is 36288, while the sum is 42.

The square root of 919114728 is about 30316.9049871520. The cubic root of 919114728 is about 972.2767675336.

Multiplying 919114728 by its sum of digits (42), we get a square (38602818576 = 196476²).

919114728 divided by its sum of digits (42) gives a square (21883684 = 4678²).

The spelling of 919114728 in words is "nine hundred nineteen million, one hundred fourteen thousand, seven hundred twenty-eight".