246426385 has 4 divisors (see below), whose sum is σ = 295711668. Its totient is φ = 197141104.

The previous prime is 246426379. The next prime is 246426403. The reversal of 246426385 is 583624642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583624642 = 2 ⋅291812321.

It can be written as a sum of positive squares in 2 ways, for example, as 165714129 + 80712256 = 12873^2 + 8984^2 .

It is a cyclic number.

It is not a de Polignac number, because 246426385 - 2³ = 246426377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24642634 + ... + 24642643.

It is an arithmetic number, because the mean of its divisors is an integer number (73927917).

Almost surely, 2^246426385 is an apocalyptic number.

It is an amenable number.

246426385 is a deficient number, since it is larger than the sum of its proper divisors (49285283).

246426385 is an equidigital number, since it uses as much as digits as its factorization.

246426385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285282.

The product of its digits is 276480, while the sum is 40.

The square root of 246426385 is about 15697.9739138527. The cubic root of 246426385 is about 626.9444594503.

The spelling of 246426385 in words is "two hundred forty-six million, four hundred twenty-six thousand, three hundred eighty-five".