8942497 has 4 divisors (see below), whose sum is σ = 8948500. Its totient is φ = 8936496.

The previous prime is 8942491. The next prime is 8942501. The reversal of 8942497 is 7942498.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5716881 + 3225616 = 2391^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 8942497 - 2¹⁹ = 8418209 is a prime.

It is a d-powerful number, because it can be written as 8³ + 9 + 4⁵ + 2²³ + 4⁶ + 9⁶ + 7⁵ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8942491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (2237125).

Almost surely, 2^8942497 is an apocalyptic number.

It is an amenable number.

8942497 is a deficient number, since it is larger than the sum of its proper divisors (6003).

8942497 is a wasteful number, since it uses less digits than its factorization.

8942497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002.

The product of its digits is 145152, while the sum is 43.

The square root of 8942497 is about 2990.4008092562. The cubic root of 8942497 is about 207.5644315322.

Subtracting from 8942497 its reverse (7942498), we obtain a palindrome (999999).

The spelling of 8942497 in words is "eight million, nine hundred forty-two thousand, four hundred ninety-seven".