246645 has 48 divisors (see below), whose sum is σ = 524160. Its totient is φ = 108864.

The previous prime is 246643. The next prime is 246661. The reversal of 246645 is 546642.

It is a happy number.

It is not a de Polignac number, because 246645 - 2¹ = 246643 is a prime.

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

It is an Ulam number.

It is a Curzon number.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8491 + ... + 8519.

It is an arithmetic number, because the mean of its divisors is an integer number (10920).

2²⁴⁶⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

246645 is an abundant number, since it is smaller than the sum of its proper divisors (277515).

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

246645 is an equidigital number, since it uses as much as digits as its factorization.

246645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 44 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 246645 is about 496.6336678076. The cubic root of 246645 is about 62.7129800741.

Adding to 246645 its product of digits (5760), we get a triangular number (252405 = T₇₁₀).

The spelling of 246645 in words is "two hundred forty-six thousand, six hundred forty-five".