6612408 has 128 divisors (see below), whose sum is σ = 21081600. Its totient is φ = 1916640.

The previous prime is 6612401. The next prime is 6612427. The reversal of 6612408 is 8042166.

6612408 is a `hidden beast` number, since 6 + 612 + 40 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6612401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287485 + ... + 287507.

It is an arithmetic number, because the mean of its divisors is an integer number (164700).

Almost surely, 2^6612408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6612408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10540800).

6612408 is an abundant number, since it is smaller than the sum of its proper divisors (14469192).

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

6612408 is a wasteful number, since it uses less digits than its factorization.

6612408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 6612408 is about 2571.4602855187. The cubic root of 6612408 is about 187.6952206702.

The spelling of 6612408 in words is "six million, six hundred twelve thousand, four hundred eight".