6403016 has 48 divisors (see below), whose sum is σ = 13437900. Its totient is φ = 2849792.

The previous prime is 6403003. The next prime is 6403021. The reversal of 6403016 is 6103046.

It can be written as a sum of positive squares in 2 ways, for example, as 6400900 + 2116 = 2530^2 + 46^2 .

It is a super-2 number, since 2×6403016² = 81997227792512, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 71900 + ... + 71988.

Almost surely, 2^6403016 is an apocalyptic number.

It is an amenable number.

6403016 is an abundant number, since it is smaller than the sum of its proper divisors (7034884).

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

6403016 is a wasteful number, since it uses less digits than its factorization.

6403016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6403016 is about 2530.4181472634. The cubic root of 6403016 is about 185.6927134143.

It can be divided in two parts, 64030 and 16, that added together give a palindrome (64046).

The spelling of 6403016 in words is "six million, four hundred three thousand, sixteen".