7898423 has 8 divisors (see below), whose sum is σ = 8553216. Its totient is φ = 7250400.

The previous prime is 7898417. The next prime is 7898447. The reversal of 7898423 is 3248987.

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

It is a cyclic number.

It is not a de Polignac number, because 7898423 - 2²² = 3704119 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 (7898413) 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, 893 + ... + 4073.

It is an arithmetic number, because the mean of its divisors is an integer number (1069152).

Almost surely, 2^7898423 is an apocalyptic number.

7898423 is a deficient number, since it is larger than the sum of its proper divisors (654793).

7898423 is a wasteful number, since it uses less digits than its factorization.

7898423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385.

The product of its digits is 96768, while the sum is 41.

The square root of 7898423 is about 2810.4133147991. The cubic root of 7898423 is about 199.1499169129.

The spelling of 7898423 in words is "seven million, eight hundred ninety-eight thousand, four hundred twenty-three".