8445997 has 8 divisors (see below), whose sum is σ = 9769536. Its totient is φ = 7151712.

The previous prime is 8445979. The next prime is 8446001. The reversal of 8445997 is 7995448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8445997 - 2¹¹ = 8443949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6688 + ... + 7849.

It is an arithmetic number, because the mean of its divisors is an integer number (1221192).

Almost surely, 2^8445997 is an apocalyptic number.

It is an amenable number.

8445997 is a deficient number, since it is larger than the sum of its proper divisors (1323539).

8445997 is a wasteful number, since it uses less digits than its factorization.

8445997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14627.

The product of its digits is 362880, while the sum is 46.

The square root of 8445997 is about 2906.1997522538. The cubic root of 8445997 is about 203.6496372993.

The spelling of 8445997 in words is "eight million, four hundred forty-five thousand, nine hundred ninety-seven".