845734988 has 24 divisors (see below), whose sum is σ = 1719202464. Its totient is φ = 356515200.

The previous prime is 845734961. The next prime is 845734991. The reversal of 845734988 is 889437548.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245873 + ... + 249288.

It is an arithmetic number, because the mean of its divisors is an integer number (71633436).

Almost surely, 2^845734988 is an apocalyptic number.

It is an amenable number.

845734988 is an abundant number, since it is smaller than the sum of its proper divisors (873467476).

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

845734988 is a wasteful number, since it uses less digits than its factorization.

845734988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495233 (or 495231 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The square root of 845734988 is about 29081.5231375525. The cubic root of 845734988 is about 945.6812228328.

The spelling of 845734988 in words is "eight hundred forty-five million, seven hundred thirty-four thousand, nine hundred eighty-eight".