6436494 has 12 divisors (see below), whose sum is σ = 13945776. Its totient is φ = 2145492.

The previous prime is 6436457. The next prime is 6436501. The reversal of 6436494 is 4946346.

6436494 is a `hidden beast` number, since 6 + 4 + 3 + 649 + 4 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 178774 + ... + 178809.

It is an arithmetic number, because the mean of its divisors is an integer number (1162148).

Almost surely, 2^6436494 is an apocalyptic number.

6436494 is an abundant number, since it is smaller than the sum of its proper divisors (7509282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6436494 is a wasteful number, since it uses less digits than its factorization.

6436494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357591 (or 357588 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6436494 is about 2537.0246352765. The cubic root of 6436494 is about 186.0157808324.

The spelling of 6436494 in words is "six million, four hundred thirty-six thousand, four hundred ninety-four".