246981 has 16 divisors (see below), whose sum is σ = 396800. Its totient is φ = 133488.

The previous prime is 246979. The next prime is 247001. The reversal of 246981 is 189642.

246981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 246981 - 2¹ = 246979 is a prime.

It is a super-2 number, since 2×246981² = 121999228722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90 + ... + 708.

It is an arithmetic number, because the mean of its divisors is an integer number (24800).

2²⁴⁶⁹⁸¹ is an apocalyptic number.

246981 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

246981 is the 266-th nonagonal number.

It is an amenable number.

246981 is a deficient number, since it is larger than the sum of its proper divisors (149819).

246981 is a wasteful number, since it uses less digits than its factorization.

246981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648.

The product of its digits is 3456, while the sum is 30.

The square root of 246981 is about 496.9718301876. The cubic root of 246981 is about 62.7414447366.

The spelling of 246981 in words is "two hundred forty-six thousand, nine hundred eighty-one".