8399453 has 4 divisors (see below), whose sum is σ = 8514588. Its totient is φ = 8284320.

The previous prime is 8399441. The next prime is 8399459. The reversal of 8399453 is 3549938.

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 2815684 + 5583769 = 1678^2 + 2363^2 .

It is a cyclic number.

It is not a de Polignac number, because 8399453 - 2⁴ = 8399437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8399453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8399459) 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, 57458 + ... + 57603.

It is an arithmetic number, because the mean of its divisors is an integer number (2128647).

Almost surely, 2^8399453 is an apocalyptic number.

It is an amenable number.

8399453 is a deficient number, since it is larger than the sum of its proper divisors (115135).

8399453 is a wasteful number, since it uses less digits than its factorization.

8399453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115134.

The product of its digits is 116640, while the sum is 41.

The square root of 8399453 is about 2898.1809812363. The cubic root of 8399453 is about 203.2748588163.

The spelling of 8399453 in words is "eight million, three hundred ninety-nine thousand, four hundred fifty-three".