246656489 has 4 divisors (see below), whose sum is σ = 250700100. Its totient is φ = 242612880.

The previous prime is 246656477. The next prime is 246656539. The reversal of 246656489 is 984656642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984656642 = 2 ⋅492328321.

It can be written as a sum of positive squares in 2 ways, for example, as 25836889 + 220819600 = 5083^2 + 14860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246656489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246656419) 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, 2021714 + ... + 2021835.

It is an arithmetic number, because the mean of its divisors is an integer number (62675025).

Almost surely, 2^246656489 is an apocalyptic number.

It is an amenable number.

246656489 is a deficient number, since it is larger than the sum of its proper divisors (4043611).

246656489 is an equidigital number, since it uses as much as digits as its factorization.

246656489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043610.

The product of its digits is 2488320, while the sum is 50.

The square root of 246656489 is about 15705.3013024265. The cubic root of 246656489 is about 627.1395380588.

The spelling of 246656489 in words is "two hundred forty-six million, six hundred fifty-six thousand, four hundred eighty-nine".