7899054 has 8 divisors (see below), whose sum is σ = 15798120. Its totient is φ = 2633016.

The previous prime is 7899053. The next prime is 7899071. The reversal of 7899054 is 4509987.

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

7899054 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7898997 and 7899015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7899053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658249 + ... + 658260.

It is an arithmetic number, because the mean of its divisors is an integer number (1974765).

Almost surely, 2^7899054 is an apocalyptic number.

7899054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7899054 is a wasteful number, since it uses less digits than its factorization.

7899054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316514.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 7899054 is about 2810.5255736250. The cubic root of 7899054 is about 199.1552200919.

The spelling of 7899054 in words is "seven million, eight hundred ninety-nine thousand, fifty-four".