916871228 has 24 divisors (see below), whose sum is σ = 1974800352. Its totient is φ = 362718144.

The previous prime is 916871177. The next prime is 916871261. The reversal of 916871228 is 822178619.

916871228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1259075 + ... + 1259802.

It is an arithmetic number, because the mean of its divisors is an integer number (82283348).

Almost surely, 2^916871228 is an apocalyptic number.

It is an amenable number.

916871228 is an abundant number, since it is smaller than the sum of its proper divisors (1057929124).

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

916871228 is a wasteful number, since it uses less digits than its factorization.

916871228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518901 (or 2518899 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 916871228 is about 30279.8815717631. The cubic root of 916871228 is about 971.4850346197.

The spelling of 916871228 in words is "nine hundred sixteen million, eight hundred seventy-one thousand, two hundred twenty-eight".