8471445 has 16 divisors (see below), whose sum is σ = 13590720. Its totient is φ = 4505984.

The previous prime is 8471399. The next prime is 8471447. The reversal of 8471445 is 5441748.

It is a cyclic number.

It is not a de Polignac number, because 8471445 - 2⁶ = 8471381 is a prime.

8471445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8471447) 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, 9457 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (849420).

Almost surely, 2^8471445 is an apocalyptic number.

It is an amenable number.

8471445 is a deficient number, since it is larger than the sum of its proper divisors (5119275).

8471445 is a wasteful number, since it uses less digits than its factorization.

8471445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524.

The product of its digits is 17920, while the sum is 33.

The square root of 8471445 is about 2910.5746855217. The cubic root of 8471445 is about 203.8539660359.

It can be divided in two parts, 84 and 71445, that multiplied together give a triangular number (6001380 = T₃₄₆₄).

The spelling of 8471445 in words is "eight million, four hundred seventy-one thousand, four hundred forty-five".