7904867 has 2 divisors, whose sum is σ = 7904868. Its totient is φ = 7904866.

The previous prime is 7904863. The next prime is 7904873. The reversal of 7904867 is 7684097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7904867 - 2² = 7904863 is a prime.

It is not a weakly prime, because it can be changed into another prime (7904863) 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 as a sum of consecutive naturals, namely, 3952433 + 3952434.

It is an arithmetic number, because the mean of its divisors is an integer number (3952434).

Almost surely, 2^7904867 is an apocalyptic number.

7904867 is a deficient number, since it is larger than the sum of its proper divisors (1).

7904867 is an equidigital number, since it uses as much as digits as its factorization.

7904867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7904867 is about 2811.5595316479. The cubic root of 7904867 is about 199.2040616124.

The spelling of 7904867 in words is "seven million, nine hundred four thousand, eight hundred sixty-seven".