6419089 has 4 divisors (see below), whose sum is σ = 6444324. Its totient is φ = 6393856.

The previous prime is 6419087. The next prime is 6419107. The reversal of 6419089 is 9809146.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9809146 = 2 ⋅4904573.

It can be written as a sum of positive squares in 2 ways, for example, as 3240000 + 3179089 = 1800^2 + 1783^2 .

It is a cyclic number.

It is not a de Polignac number, because 6419089 - 2¹ = 6419087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6419087) 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, 12232 + ... + 12745.

It is an arithmetic number, because the mean of its divisors is an integer number (1611081).

Almost surely, 2^6419089 is an apocalyptic number.

It is an amenable number.

6419089 is a deficient number, since it is larger than the sum of its proper divisors (25235).

6419089 is a wasteful number, since it uses less digits than its factorization.

6419089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25234.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6419089 is about 2533.5921139757. The cubic root of 6419089 is about 185.8479603109.

It can be divided in two parts, 641 and 9089, that added together give a triangular number (9730 = T₁₃₉).

The spelling of 6419089 in words is "six million, four hundred nineteen thousand, eighty-nine".