7798038 has 8 divisors (see below), whose sum is σ = 15596088. Its totient is φ = 2599344.

The previous prime is 7797997. The next prime is 7798069. The reversal of 7798038 is 8308977.

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

7798038 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649831 + ... + 649842.

It is an arithmetic number, because the mean of its divisors is an integer number (1949511).

Almost surely, 2^7798038 is an apocalyptic number.

7798038 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.

7798038 is a wasteful number, since it uses less digits than its factorization.

7798038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299678.

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 7798038 is about 2792.4967323168. The cubic root of 7798038 is about 198.3026185675.

The spelling of 7798038 in words is "seven million, seven hundred ninety-eight thousand, thirty-eight".