845454984 has 32 divisors (see below), whose sum is σ = 2305787040. Its totient is φ = 256198400.

The previous prime is 845454983. The next prime is 845454991. The reversal of 845454984 is 489454548.

It is not an unprimeable number, because it can be changed into a prime (845454983) by changing a digit.

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, 1600977 + ... + 1601504.

It is an arithmetic number, because the mean of its divisors is an integer number (72055845).

Almost surely, 2^845454984 is an apocalyptic number.

It is an amenable number.

845454984 is an abundant number, since it is smaller than the sum of its proper divisors (1460332056).

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

845454984 is a wasteful number, since it uses less digits than its factorization.

845454984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3202501 (or 3202497 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 51.

The square root of 845454984 is about 29076.7086170357. The cubic root of 845454984 is about 945.5768466564.

The spelling of 845454984 in words is "eight hundred forty-five million, four hundred fifty-four thousand, nine hundred eighty-four".