6985453 has 8 divisors (see below), whose sum is σ = 7536888. Its totient is φ = 6449664.

The previous prime is 6985441. The next prime is 6985481. The reversal of 6985453 is 3545896.

It can be written as a sum of positive squares in 4 ways, for example, as 5031049 + 1954404 = 2243^2 + 1398^2 .

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

It is not a de Polignac number, because 6985453 - 2⁵ = 6985421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985403) 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, 2976 + ... + 4777.

It is an arithmetic number, because the mean of its divisors is an integer number (942111).

Almost surely, 2^6985453 is an apocalyptic number.

It is an amenable number.

6985453 is a deficient number, since it is larger than the sum of its proper divisors (551435).

6985453 is a wasteful number, since it uses less digits than its factorization.

6985453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7823.

The product of its digits is 129600, while the sum is 40.

The square root of 6985453 is about 2643.0007567157. Note that the first 3 decimals coincide. The cubic root of 6985453 is about 191.1605149027.

The spelling of 6985453 in words is "six million, nine hundred eighty-five thousand, four hundred fifty-three".