6406652 has 18 divisors (see below), whose sum is σ = 13042512. Its totient is φ = 2745624.

The previous prime is 6406643. The next prime is 6406657. The reversal of 6406652 is 2566046.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16148 + ... + 16539.

It is an arithmetic number, because the mean of its divisors is an integer number (724584).

Almost surely, 2^6406652 is an apocalyptic number.

It is an amenable number.

6406652 is an abundant number, since it is smaller than the sum of its proper divisors (6635860).

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

6406652 is a wasteful number, since it uses less digits than its factorization.

6406652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32705 (or 32696 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 6406652 is about 2531.1365036284. The cubic root of 6406652 is about 185.7278557568.

Subtracting from 6406652 its reverse (2566046), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 6406652 in words is "six million, four hundred six thousand, six hundred fifty-two".