7904347 has 8 divisors (see below), whose sum is σ = 8856432. Its totient is φ = 6991200.

The previous prime is 7904333. The next prime is 7904363. The reversal of 7904347 is 7434097.

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

It is a cyclic number.

It is not a de Polignac number, because 7904347 - 2¹⁵ = 7871579 is a prime.

It is a Duffinian number.

7904347 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7904317) 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 in 7 ways as a sum of consecutive naturals, for example, 9304 + ... + 10117.

It is an arithmetic number, because the mean of its divisors is an integer number (1107054).

Almost surely, 2^7904347 is an apocalyptic number.

7904347 is a deficient number, since it is larger than the sum of its proper divisors (952085).

7904347 is a wasteful number, since it uses less digits than its factorization.

7904347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19469.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 7904347 is about 2811.4670547598. The cubic root of 7904347 is about 199.1996934857.

The spelling of 7904347 in words is "seven million, nine hundred four thousand, three hundred forty-seven".