246949609 has 4 divisors (see below), whose sum is σ = 252203904. Its totient is φ = 241695316.

The previous prime is 246949603. The next prime is 246949621. The reversal of 246949609 is 906949642.

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, and also an emirpimes, since its reverse is a distinct semiprime: 906949642 = 2 ⋅453474821.

It is a cyclic number.

It is not a de Polignac number, because 246949609 - 2⁷ = 246949481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (246949603) 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, 2627077 + ... + 2627170.

It is an arithmetic number, because the mean of its divisors is an integer number (63050976).

Almost surely, 2^246949609 is an apocalyptic number.

It is an amenable number.

246949609 is a deficient number, since it is larger than the sum of its proper divisors (5254295).

246949609 is an equidigital number, since it uses as much as digits as its factorization.

246949609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254294.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 246949609 is about 15714.6304124532. The cubic root of 246949609 is about 627.3878650226.

The spelling of 246949609 in words is "two hundred forty-six million, nine hundred forty-nine thousand, six hundred nine".