246668889 has 8 divisors (see below), whose sum is σ = 333055360. Its totient is φ = 162364176.

The previous prime is 246668881. The next prime is 246668893. The reversal of 246668889 is 988866642.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 246668889 - 2³ = 246668881 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (246668881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520162 + ... + 520635.

It is an arithmetic number, because the mean of its divisors is an integer number (41631920).

Almost surely, 2^246668889 is an apocalyptic number.

It is an amenable number.

246668889 is a deficient number, since it is larger than the sum of its proper divisors (86386471).

246668889 is a wasteful number, since it uses less digits than its factorization.

246668889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040879.

The product of its digits is 7962624, while the sum is 57.

The square root of 246668889 is about 15705.6960686243. The cubic root of 246668889 is about 627.1500471410.

The spelling of 246668889 in words is "two hundred forty-six million, six hundred sixty-eight thousand, eight hundred eighty-nine".