7849423 has 4 divisors (see below), whose sum is σ = 8016480. Its totient is φ = 7682368.

The previous prime is 7849421. The next prime is 7849453. The reversal of 7849423 is 3249487.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3249487 = 277 ⋅11731.

It is a cyclic number.

It is not a de Polignac number, because 7849423 - 2¹ = 7849421 is a prime.

It is a super-2 number, since 2×7849423² = 123226882865858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7849421) 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, 83458 + ... + 83551.

It is an arithmetic number, because the mean of its divisors is an integer number (2004120).

Almost surely, 2^7849423 is an apocalyptic number.

7849423 is a deficient number, since it is larger than the sum of its proper divisors (167057).

7849423 is a wasteful number, since it uses less digits than its factorization.

7849423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167056.

The product of its digits is 48384, while the sum is 37.

The square root of 7849423 is about 2801.6821732666. The cubic root of 7849423 is about 198.7372355765.

The spelling of 7849423 in words is "seven million, eight hundred forty-nine thousand, four hundred twenty-three".