8207949 has 4 divisors (see below), whose sum is σ = 10943936. Its totient is φ = 5471964.

The previous prime is 8207917. The next prime is 8207959. The reversal of 8207949 is 9497028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8207949 - 2⁵ = 8207917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8207909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1367989 + ... + 1367994.

It is an arithmetic number, because the mean of its divisors is an integer number (2735984).

Almost surely, 2^8207949 is an apocalyptic number.

It is an amenable number.

8207949 is a deficient number, since it is larger than the sum of its proper divisors (2735987).

8207949 is a wasteful number, since it uses less digits than its factorization.

8207949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2735986.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 8207949 is about 2864.9518320558. The cubic root of 8207949 is about 201.7181066177.

It can be divided in two parts, 82079 and 49, that added together give a palindrome (82128).

The spelling of 8207949 in words is "eight million, two hundred seven thousand, nine hundred forty-nine".