7959949 has 8 divisors (see below), whose sum is σ = 8336160. Its totient is φ = 7590576.

The previous prime is 7959937. The next prime is 7959971. The reversal of 7959949 is 9499597.

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

It is not a de Polignac number, because 7959949 - 2⁷ = 7959821 is a prime.

It is a Duffinian number.

7959949 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7959896 and 7959905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7959929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754 + ... + 4060.

It is an arithmetic number, because the mean of its divisors is an integer number (1042020).

Almost surely, 2^7959949 is an apocalyptic number.

It is an amenable number.

7959949 is a deficient number, since it is larger than the sum of its proper divisors (376211).

7959949 is a wasteful number, since it uses less digits than its factorization.

7959949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419.

The product of its digits is 918540, while the sum is 52.

The square root of 7959949 is about 2821.3381576833. The cubic root of 7959949 is about 199.6656831392.

The spelling of 7959949 in words is "seven million, nine hundred fifty-nine thousand, nine hundred forty-nine".