845029984 has 12 divisors (see below), whose sum is σ = 1663652844. Its totient is φ = 422514976.

The previous prime is 845029963. The next prime is 845029987. The reversal of 845029984 is 489920548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845029987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13203562 + ... + 13203625.

It is an arithmetic number, because the mean of its divisors is an integer number (138637737).

Almost surely, 2^845029984 is an apocalyptic number.

It is an amenable number.

845029984 is a deficient number, since it is larger than the sum of its proper divisors (818622860).

845029984 is a wasteful number, since it uses less digits than its factorization.

845029984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26407197 (or 26407189 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 845029984 is about 29069.3994434010. The cubic root of 845029984 is about 945.4183767498.

The spelling of 845029984 in words is "eight hundred forty-five million, twenty-nine thousand, nine hundred eighty-four".