7790398 has 16 divisors (see below), whose sum is σ = 14569344. Its totient is φ = 3035160.

The previous prime is 7790359. The next prime is 7790401. The reversal of 7790398 is 8930977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25140 + ... + 25447.

It is an arithmetic number, because the mean of its divisors is an integer number (910584).

Almost surely, 2^7790398 is an apocalyptic number.

7790398 is a deficient number, since it is larger than the sum of its proper divisors (6778946).

7790398 is a wasteful number, since it uses less digits than its factorization.

7790398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50607.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 7790398 is about 2791.1284456291. The cubic root of 7790398 is about 198.2378361589.

The spelling of 7790398 in words is "seven million, seven hundred ninety thousand, three hundred ninety-eight".