6464042 has 16 divisors (see below), whose sum is σ = 10803240. Its totient is φ = 2880192.

The previous prime is 6464041. The next prime is 6464057. The reversal of 6464042 is 2404646.

It can be written as a sum of positive squares in 4 ways, for example, as 3996001 + 2468041 = 1999^2 + 1571^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (6464041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3533 + ... + 5040.

Almost surely, 2^6464042 is an apocalyptic number.

6464042 is a deficient number, since it is larger than the sum of its proper divisors (4339198).

6464042 is a wasteful number, since it uses less digits than its factorization.

6464042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8617.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 6464042 is about 2542.4480329006. The cubic root of 6464042 is about 186.2807837651.

Adding to 6464042 its reverse (2404646), we get a palindrome (8868688).

The spelling of 6464042 in words is "six million, four hundred sixty-four thousand, forty-two".