246689449 has 4 divisors (see below), whose sum is σ = 247748436. Its totient is φ = 245630464.

The previous prime is 246689441. The next prime is 246689459. The reversal of 246689449 is 944986642.

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 86211225 + 160478224 = 9285^2 + 12668^2 .

It is not a de Polignac number, because 246689449 - 2³ = 246689441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 246689396 and 246689405.

It is not an unprimeable number, because it can be changed into a prime (246689441) 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, 529144 + ... + 529609.

It is an arithmetic number, because the mean of its divisors is an integer number (61937109).

Almost surely, 2^246689449 is an apocalyptic number.

It is an amenable number.

246689449 is a deficient number, since it is larger than the sum of its proper divisors (1058987).

246689449 is a wasteful number, since it uses less digits than its factorization.

246689449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058986.

The product of its digits is 2985984, while the sum is 52.

The square root of 246689449 is about 15706.3505945843. The cubic root of 246689449 is about 627.1674711013.

The spelling of 246689449 in words is "two hundred forty-six million, six hundred eighty-nine thousand, four hundred forty-nine".