606864 has 40 divisors (see below), whose sum is σ = 1607040. Its totient is φ = 197248.

The previous prime is 606863. The next prime is 606899. The reversal of 606864 is 468606.

It is a happy number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 606864.

It is not an unprimeable number, because it can be changed into a prime (606863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 2390.

It is an arithmetic number, because the mean of its divisors is an integer number (40176).

2⁶⁰⁶⁸⁶⁴ 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 606864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (803520).

606864 is an abundant number, since it is smaller than the sum of its proper divisors (1000176).

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

606864 is a wasteful number, since it uses less digits than its factorization.

606864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 321 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 606864 is about 779.0147623762. The cubic root of 606864 is about 84.6636767773.

The spelling of 606864 in words is "six hundred six thousand, eight hundred sixty-four".