6490369 has 2 divisors, whose sum is σ = 6490370. Its totient is φ = 6490368.

The previous prime is 6490333. The next prime is 6490373. The reversal of 6490369 is 9630946.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4787344 + 1703025 = 2188^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 6490369 - 2¹⁵ = 6457601 is a prime.

It is a super-2 number, since 2×6490369² = 84249779512322, which contains 22 as substring.

6490369 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (6490769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3245184 + 3245185.

It is an arithmetic number, because the mean of its divisors is an integer number (3245185).

Almost surely, 2^6490369 is an apocalyptic number.

It is an amenable number.

6490369 is a deficient number, since it is larger than the sum of its proper divisors (1).

6490369 is an equidigital number, since it uses as much as digits as its factorization.

6490369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 6490369 is about 2547.6202621270. The cubic root of 6490369 is about 186.5333383944.

It can be divided in two parts, 6490 and 369, that added together give a cube (6859 = 19³).

The spelling of 6490369 in words is "six million, four hundred ninety thousand, three hundred sixty-nine".