7804998 has 20 divisors (see below), whose sum is σ = 17489340. Its totient is φ = 2601612.

The previous prime is 7804987. The next prime is 7805009. The reversal of 7804998 is 8994087.

7804998 is nontrivially palindromic in base 5.

It is an interprime number because it is at equal distance from previous prime (7804987) and next prime (7805009).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 23928 + ... + 24251.

It is an arithmetic number, because the mean of its divisors is an integer number (874467).

Almost surely, 2^7804998 is an apocalyptic number.

7804998 is an abundant number, since it is smaller than the sum of its proper divisors (9684342).

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

7804998 is a wasteful number, since it uses less digits than its factorization.

7804998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48193 (or 48184 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 7804998 is about 2793.7426509970. The cubic root of 7804998 is about 198.3615981812.

It can be divided in two parts, 780 and 4998, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 7804998 in words is "seven million, eight hundred four thousand, nine hundred ninety-eight".