7799428 has 36 divisors (see below), whose sum is σ = 17104332. Its totient is φ = 3084480.

The previous prime is 7799423. The next prime is 7799431. The reversal of 7799428 is 8249977.

It can be written as a sum of positive squares in 2 ways, for example, as 4588164 + 3211264 = 2142^2 + 1792^2 .

It is not an unprimeable number, because it can be changed into a prime (7799423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018 + ... + 4078.

Almost surely, 2^7799428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7799428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8552166).

7799428 is an abundant number, since it is smaller than the sum of its proper divisors (9304904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7799428 is a wasteful number, since it uses less digits than its factorization.

7799428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3092 (or 3083 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 7799428 is about 2792.7456024493. The cubic root of 7799428 is about 198.3144003457.

The spelling of 7799428 in words is "seven million, seven hundred ninety-nine thousand, four hundred twenty-eight".