84250845 has 72 divisors (see below), whose sum is σ = 178907040. Its totient is φ = 36469440.

The previous prime is 84250841. The next prime is 84250847. The reversal of 84250845 is 54805248.

It is not a de Polignac number, because 84250845 - 2² = 84250841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84250841) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40890 + ... + 42900.

It is an arithmetic number, because the mean of its divisors is an integer number (2484820).

Almost surely, 2^84250845 is an apocalyptic number.

It is an amenable number.

84250845 is an abundant number, since it is smaller than the sum of its proper divisors (94656195).

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

84250845 is a wasteful number, since it uses less digits than its factorization.

84250845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2045 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 84250845 is about 9178.8259053105. The cubic root of 84250845 is about 438.3874253951.

The spelling of 84250845 in words is "eighty-four million, two hundred fifty thousand, eight hundred forty-five".