246942689 has 4 divisors (see below), whose sum is σ = 282220224. Its totient is φ = 211665156.

The previous prime is 246942659. The next prime is 246942691. The reversal of 246942689 is 986249642.

It is a happy number.

246942689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 246942689 - 2²⁰ = 245894113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246942659) 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, 17638757 + ... + 17638770.

It is an arithmetic number, because the mean of its divisors is an integer number (70555056).

Almost surely, 2^246942689 is an apocalyptic number.

It is an amenable number.

246942689 is a deficient number, since it is larger than the sum of its proper divisors (35277535).

246942689 is an equidigital number, since it uses as much as digits as its factorization.

246942689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35277534.

The product of its digits is 1492992, while the sum is 50.

The square root of 246942689 is about 15714.4102339222. The cubic root of 246942689 is about 627.3820047655.

The spelling of 246942689 in words is "two hundred forty-six million, nine hundred forty-two thousand, six hundred eighty-nine".