7928823 has 8 divisors (see below), whose sum is σ = 12082048. Its totient is φ = 4530744.

The previous prime is 7928821. The next prime is 7928831. The reversal of 7928823 is 3288297.

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

It is not a de Polignac number, because 7928823 - 2¹ = 7928821 is a prime.

It is a super-3 number, since 3×7928823³ (a number of 22 digits) contains 333 as substring.

It is a d-powerful number, because it can be written as 7² + 9 + 2² + 8² + 8⁷ + 2²⁰ + 3¹⁴ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7928821) 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, 188761 + ... + 188802.

It is an arithmetic number, because the mean of its divisors is an integer number (1510256).

Almost surely, 2^7928823 is an apocalyptic number.

7928823 is a deficient number, since it is larger than the sum of its proper divisors (4153225).

7928823 is a wasteful number, since it uses less digits than its factorization.

7928823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377573.

The product of its digits is 48384, while the sum is 39.

The square root of 7928823 is about 2815.8165778332. The cubic root of 7928823 is about 199.4050905013.

The spelling of 7928823 in words is "seven million, nine hundred twenty-eight thousand, eight hundred twenty-three".