6600402 has 48 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 2070816.

The previous prime is 6600367. The next prime is 6600421. The reversal of 6600402 is 2040066.

6600402 is a `hidden beast` number, since 660 + 0 + 4 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44224 + ... + 44372.

It is an arithmetic number, because the mean of its divisors is an integer number (315900).

Almost surely, 2^6600402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6600402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7581600).

6600402 is an abundant number, since it is smaller than the sum of its proper divisors (8562798).

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

6600402 is a wasteful number, since it uses less digits than its factorization.

6600402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6600402 is about 2569.1247536856. The cubic root of 6600402 is about 187.5815538560.

Adding to 6600402 its reverse (2040066), we get a palindrome (8640468).

The spelling of 6600402 in words is "six million, six hundred thousand, four hundred two".