8497404 has 36 divisors (see below), whose sum is σ = 21608496. Its totient is φ = 2815488.

The previous prime is 8497403. The next prime is 8497417. The reversal of 8497404 is 4047948.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8497403) 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 11 ways as a sum of consecutive naturals, for example, 6337 + ... + 7559.

It is an arithmetic number, because the mean of its divisors is an integer number (600236).

Almost surely, 2^8497404 is an apocalyptic number.

It is an amenable number.

8497404 is an abundant number, since it is smaller than the sum of its proper divisors (13111092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8497404 is a wasteful number, since it uses less digits than its factorization.

8497404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1421 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 8497404 is about 2915.0307030973. The cubic root of 8497404 is about 204.0619765556.

The spelling of 8497404 in words is "eight million, four hundred ninety-seven thousand, four hundred four".