7804986 has 16 divisors (see below), whose sum is σ = 17840064. Its totient is φ = 2229984.

The previous prime is 7804957. The next prime is 7804987. The reversal of 7804986 is 6894087.

It is a happy number.

7804986 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 185833 = 7804986 / (7 + 8 + 0 + 4 + 9 + 8 + 6).

7804986 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (7804987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92875 + ... + 92958.

It is an arithmetic number, because the mean of its divisors is an integer number (1115004).

Almost surely, 2^7804986 is an apocalyptic number.

7804986 is an abundant number, since it is smaller than the sum of its proper divisors (10035078).

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

7804986 is a wasteful number, since it uses less digits than its factorization.

7804986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185845.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 7804986 is about 2793.7405033396. The cubic root of 7804986 is about 198.3614965224.

The spelling of 7804986 in words is "seven million, eight hundred four thousand, nine hundred eighty-six".