7899552 has 96 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 2557440.

The previous prime is 7899539. The next prime is 7899553. The reversal of 7899552 is 2559987.

It is a happy number.

7899552 is a `hidden beast` number, since 7 + 8 + 99 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 7899498 and 7899507.

It is not an unprimeable number, because it can be changed into a prime (7899553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35313 + ... + 35535.

It is an arithmetic number, because the mean of its divisors is an integer number (246960).

Almost surely, 2^7899552 is an apocalyptic number.

7899552 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7899552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11854080).

7899552 is an abundant number, since it is smaller than the sum of its proper divisors (15808608).

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

7899552 is a wasteful number, since it uses less digits than its factorization.

7899552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 269 counting only the distinct ones).

The product of its digits is 226800, while the sum is 45.

The square root of 7899552 is about 2810.6141677576. The cubic root of 7899552 is about 199.1594052857.

The spelling of 7899552 in words is "seven million, eight hundred ninety-nine thousand, five hundred fifty-two".