246640 has 20 divisors (see below), whose sum is σ = 573624. Its totient is φ = 98624.

The previous prime is 246637. The next prime is 246641. The reversal of 246640 is 46642.

246640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462 + ... + 1621.

2²⁴⁶⁶⁴⁰ is an apocalyptic number.

246640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246640 is an abundant number, since it is smaller than the sum of its proper divisors (326984).

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

246640 is a wasteful number, since it uses less digits than its factorization.

246640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 246640 is about 496.6286338906. The cubic root of 246640 is about 62.7125562976.

The spelling of 246640 in words is "two hundred forty-six thousand, six hundred forty".