7799649 has 16 divisors (see below), whose sum is σ = 12218304. Its totient is φ = 4363200.

The previous prime is 7799621. The next prime is 7799653. The reversal of 7799649 is 9469977.

It is not a de Polignac number, because 7799649 - 2¹⁵ = 7766881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7799669) 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 15 ways as a sum of consecutive naturals, for example, 8662 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (763644).

Almost surely, 2^7799649 is an apocalyptic number.

It is an amenable number.

7799649 is a deficient number, since it is larger than the sum of its proper divisors (4418655).

7799649 is a wasteful number, since it uses less digits than its factorization.

7799649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18208.

The product of its digits is 857304, while the sum is 51.

The square root of 7799649 is about 2792.7851689666. The cubic root of 7799649 is about 198.3162734347.

It can be divided in two parts, 7799 and 649, that added together give a palindrome (8448).

The spelling of 7799649 in words is "seven million, seven hundred ninety-nine thousand, six hundred forty-nine".