6494405 has 8 divisors (see below), whose sum is σ = 8062200. Its totient is φ = 5016256.

The previous prime is 6494393. The next prime is 6494417. The reversal of 6494405 is 5044946.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6494393) and next prime (6494417).

It can be written as a sum of positive squares in 4 ways, for example, as 27556 + 6466849 = 166^2 + 2543^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6494405 - 2¹⁰ = 6493381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22250 + ... + 22539.

It is an arithmetic number, because the mean of its divisors is an integer number (1007775).

Almost surely, 2^6494405 is an apocalyptic number.

It is an amenable number.

6494405 is a deficient number, since it is larger than the sum of its proper divisors (1567795).

6494405 is a wasteful number, since it uses less digits than its factorization.

6494405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44823.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6494405 is about 2548.4122507946. The cubic root of 6494405 is about 186.5719952903.

The spelling of 6494405 in words is "six million, four hundred ninety-four thousand, four hundred five".