6447962 has 8 divisors (see below), whose sum is σ = 9686100. Its totient is φ = 3219264.

The previous prime is 6447943. The next prime is 6447967. The reversal of 6447962 is 2697446.

It can be written as a sum of positive squares in 2 ways, for example, as 6295081 + 152881 = 2509^2 + 391^2 .

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

It is a d-powerful number, because it can be written as 6⁶ + 4² + 4⁸ + 7⁸ + 9 + 6⁶ + 2¹⁹ .

It is not an unprimeable number, because it can be changed into a prime (6447967) 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, 287 + ... + 3602.

Almost surely, 2^6447962 is an apocalyptic number.

6447962 is a deficient number, since it is larger than the sum of its proper divisors (3238138).

6447962 is a wasteful number, since it uses less digits than its factorization.

6447962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720.

The product of its digits is 72576, while the sum is 38.

The square root of 6447962 is about 2539.2837572827. The cubic root of 6447962 is about 186.1261910077.

The spelling of 6447962 in words is "six million, four hundred forty-seven thousand, nine hundred sixty-two".