6406662 has 8 divisors (see below), whose sum is σ = 12813336. Its totient is φ = 2135552.

The previous prime is 6406657. The next prime is 6406679. The reversal of 6406662 is 2666046.

It is a sphenic number, since it is the product of 3 distinct primes.

6406662 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533883 + ... + 533894.

It is an arithmetic number, because the mean of its divisors is an integer number (1601667).

Almost surely, 2^6406662 is an apocalyptic number.

6406662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6406662 is a wasteful number, since it uses less digits than its factorization.

6406662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067782.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 6406662 is about 2531.1384790248. The cubic root of 6406662 is about 185.7279523896.

The spelling of 6406662 in words is "six million, four hundred six thousand, six hundred sixty-two".