6802409 has 2 divisors, whose sum is σ = 6802410. Its totient is φ = 6802408.

The previous prime is 6802379. The next prime is 6802427. The reversal of 6802409 is 9042086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6786025 + 16384 = 2605^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 6802409 - 2¹² = 6798313 is a prime.

It is not a weakly prime, because it can be changed into another prime (6802469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3401204 + 3401205.

It is an arithmetic number, because the mean of its divisors is an integer number (3401205).

Almost surely, 2^6802409 is an apocalyptic number.

It is an amenable number.

6802409 is a deficient number, since it is larger than the sum of its proper divisors (1).

6802409 is an equidigital number, since it uses as much as digits as its factorization.

6802409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6802409 is about 2608.1428258437. The cubic root of 6802409 is about 189.4760170427.

The spelling of 6802409 in words is "six million, eight hundred two thousand, four hundred nine".