7906949 has 8 divisors (see below), whose sum is σ = 8043840. Its totient is φ = 7771456.

The previous prime is 7906939. The next prime is 7906957. The reversal of 7906949 is 9496097.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7906949 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 (7906909) 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, 18662 + ... + 19080.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^7906949 is an apocalyptic number.

It is an amenable number.

7906949 is a deficient number, since it is larger than the sum of its proper divisors (136891).

7906949 is a wasteful number, since it uses less digits than its factorization.

7906949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 7906949 is about 2811.9297644145. The cubic root of 7906949 is about 199.2215490013.

The spelling of 7906949 in words is "seven million, nine hundred six thousand, nine hundred forty-nine".