6897623 has 4 divisors (see below), whose sum is σ = 6924720. Its totient is φ = 6870528.

The previous prime is 6897607. The next prime is 6897637. The reversal of 6897623 is 3267986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3267986 = 2 ⋅1633993.

It is a cyclic number.

It is not a de Polignac number, because 6897623 - 2⁴ = 6897607 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 (6897643) 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, 13163 + ... + 13676.

It is an arithmetic number, because the mean of its divisors is an integer number (1731180).

Almost surely, 2^6897623 is an apocalyptic number.

6897623 is a deficient number, since it is larger than the sum of its proper divisors (27097).

6897623 is a wasteful number, since it uses less digits than its factorization.

6897623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27096.

The product of its digits is 108864, while the sum is 41.

The square root of 6897623 is about 2626.3326141218. The cubic root of 6897623 is about 190.3559624250.

The spelling of 6897623 in words is "six million, eight hundred ninety-seven thousand, six hundred twenty-three".