6419090 has 8 divisors (see below), whose sum is σ = 11554380. Its totient is φ = 2567632.

The previous prime is 6419087. The next prime is 6419107. The reversal of 6419090 is 909146.

It can be written as a sum of positive squares in 2 ways, for example, as 5621641 + 797449 = 2371^2 + 893^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 320945 + ... + 320964.

Almost surely, 2^6419090 is an apocalyptic number.

6419090 is a deficient number, since it is larger than the sum of its proper divisors (5135290).

6419090 is a wasteful number, since it uses less digits than its factorization.

6419090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641916.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 6419090 is about 2533.5923113240. The cubic root of 6419090 is about 185.8479699617.

Subtracting from 6419090 its product of nonzero digits (1944), we obtain a palindrome (6417146).

The spelling of 6419090 in words is "six million, four hundred nineteen thousand, ninety".