7976449 has 4 divisors (see below), whose sum is σ = 8590036. Its totient is φ = 7362864.

The previous prime is 7976429. The next prime is 7976461. The reversal of 7976449 is 9446797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5313025 + 2663424 = 2305^2 + 1632^2 .

It is a cyclic number.

It is not a de Polignac number, because 7976449 - 2⁷ = 7976321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7976399 and 7976408.

It is not an unprimeable number, because it can be changed into a prime (7976429) 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 3 ways as a sum of consecutive naturals, for example, 306774 + ... + 306799.

It is an arithmetic number, because the mean of its divisors is an integer number (2147509).

Almost surely, 2^7976449 is an apocalyptic number.

It is an amenable number.

7976449 is a deficient number, since it is larger than the sum of its proper divisors (613587).

7976449 is a wasteful number, since it uses less digits than its factorization.

7976449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613586.

The product of its digits is 381024, while the sum is 46.

The square root of 7976449 is about 2824.2607882418. The cubic root of 7976449 is about 199.8035487644.

The spelling of 7976449 in words is "seven million, nine hundred seventy-six thousand, four hundred forty-nine".