6402611 has 8 divisors (see below), whose sum is σ = 6535680. Its totient is φ = 6270912.

The previous prime is 6402593. The next prime is 6402619. The reversal of 6402611 is 1162046.

It is a happy number.

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 6402611 - 2⁶ = 6402547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6402619) 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 7 ways as a sum of consecutive naturals, for example, 16526 + ... + 16908.

It is an arithmetic number, because the mean of its divisors is an integer number (816960).

Almost surely, 2^6402611 is an apocalyptic number.

6402611 is a deficient number, since it is larger than the sum of its proper divisors (133069).

6402611 is a wasteful number, since it uses less digits than its factorization.

6402611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 6402611 is about 2530.3381196986. The cubic root of 6402611 is about 185.6887982210.

Adding to 6402611 its reverse (1162046), we get a palindrome (7564657).

The spelling of 6402611 in words is "six million, four hundred two thousand, six hundred eleven".