7790949 has 6 divisors (see below), whose sum is σ = 11253606. Its totient is φ = 5193960.

The previous prime is 7790929. The next prime is 7790953. The reversal of 7790949 is 9490977.

It can be written as a sum of positive squares in only one way, i.e., 5673924 + 2117025 = 2382^2 + 1455^2 .

It is not a de Polignac number, because 7790949 - 2⁵ = 7790917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7790929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 432822 + ... + 432839.

It is an arithmetic number, because the mean of its divisors is an integer number (1875601).

Almost surely, 2^7790949 is an apocalyptic number.

It is an amenable number.

7790949 is a deficient number, since it is larger than the sum of its proper divisors (3462657).

7790949 is a wasteful number, since it uses less digits than its factorization.

7790949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865667 (or 865664 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 7790949 is about 2791.2271494810. The cubic root of 7790949 is about 198.2425097101.

The spelling of 7790949 in words is "seven million, seven hundred ninety thousand, nine hundred forty-nine".