8939307 has 8 divisors (see below), whose sum is σ = 12835984. Its totient is φ = 5501088.

The previous prime is 8939303. The next prime is 8939321. The reversal of 8939307 is 7039398.

It is a happy number.

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

It is not a de Polignac number, because 8939307 - 2² = 8939303 is a prime.

It is a super-2 number, since 2×8939307² = 159822419280498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 229213 = 8939307 / (8 + 9 + 3 + 9 + 3 + 0 + 7).

It is a Duffinian number.

8939307 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8939303) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 114568 + ... + 114645.

It is an arithmetic number, because the mean of its divisors is an integer number (1604498).

Almost surely, 2^8939307 is an apocalyptic number.

8939307 is a deficient number, since it is larger than the sum of its proper divisors (3896677).

8939307 is a wasteful number, since it uses less digits than its factorization.

8939307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229229.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 8939307 is about 2989.8673883636. The cubic root of 8939307 is about 207.5397475509.

The spelling of 8939307 in words is "eight million, nine hundred thirty-nine thousand, three hundred seven".