246989 has 4 divisors (see below), whose sum is σ = 251100. Its totient is φ = 242880.

The previous prime is 246979. The next prime is 247001. The reversal of 246989 is 989642.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 218089 = 170^2 + 467^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246989 is a prime.

It is a super-2 number, since 2×246989² = 122007132242, which contains 22 as substring.

It is a Duffinian 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 (246919) 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, 1964 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (62775).

2²⁴⁶⁹⁸⁹ is an apocalyptic number.

It is an amenable number.

246989 is a deficient number, since it is larger than the sum of its proper divisors (4111).

246989 is an equidigital number, since it uses as much as digits as its factorization.

246989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4110.

The product of its digits is 31104, while the sum is 38.

The square root of 246989 is about 496.9798788684. The cubic root of 246989 is about 62.7421221519.

The spelling of 246989 in words is "two hundred forty-six thousand, nine hundred eighty-nine".