84307445 has 16 divisors (see below), whose sum is σ = 105090048. Its totient is φ = 64859520.

The previous prime is 84307441. The next prime is 84307451. The reversal of 84307445 is 54470348.

It is not a de Polignac number, because 84307445 - 2² = 84307441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84307441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24257 + ... + 27513.

It is an arithmetic number, because the mean of its divisors is an integer number (6568128).

Almost surely, 2^84307445 is an apocalyptic number.

It is an amenable number.

84307445 is a deficient number, since it is larger than the sum of its proper divisors (20782603).

84307445 is a wasteful number, since it uses less digits than its factorization.

84307445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 84307445 is about 9181.9085706622. The cubic root of 84307445 is about 438.4855734668.

The spelling of 84307445 in words is "eighty-four million, three hundred seven thousand, four hundred forty-five".