8940497 has 4 divisors (see below), whose sum is σ = 9248820. Its totient is φ = 8632176.

The previous prime is 8940479. The next prime is 8940499. The reversal of 8940497 is 7940498.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1547536 + 7392961 = 1244^2 + 2719^2 .

It is a cyclic number.

It is not a de Polignac number, because 8940497 - 2⁶ = 8940433 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 (8940499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154118 + ... + 154175.

It is an arithmetic number, because the mean of its divisors is an integer number (2312205).

Almost surely, 2^8940497 is an apocalyptic number.

It is an amenable number.

8940497 is a deficient number, since it is larger than the sum of its proper divisors (308323).

8940497 is a wasteful number, since it uses less digits than its factorization.

8940497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308322.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 8940497 is about 2990.0663872229. The cubic root of 8940497 is about 207.5489563685.

Subtracting from 8940497 its reverse (7940498), we obtain a palindrome (999999).

The spelling of 8940497 in words is "eight million, nine hundred forty thousand, four hundred ninety-seven".