246878461 has 4 divisors (see below), whose sum is σ = 247513500. Its totient is φ = 246243424.

The previous prime is 246878453. The next prime is 246878473. The reversal of 246878461 is 164878642.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164878642 = 2 ⋅82439321.

It can be written as a sum of positive squares in 2 ways, for example, as 34739236 + 212139225 = 5894^2 + 14565^2 .

It is a cyclic number.

It is not a de Polignac number, because 246878461 - 2³ = 246878453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (246878161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316936 + ... + 317713.

It is an arithmetic number, because the mean of its divisors is an integer number (61878375).

Almost surely, 2^246878461 is an apocalyptic number.

It is an amenable number.

246878461 is a deficient number, since it is larger than the sum of its proper divisors (635039).

246878461 is an equidigital number, since it uses as much as digits as its factorization.

246878461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635038.

The product of its digits is 516096, while the sum is 46.

The square root of 246878461 is about 15712.3664990351. The cubic root of 246878461 is about 627.3276075481.

The spelling of 246878461 in words is "two hundred forty-six million, eight hundred seventy-eight thousand, four hundred sixty-one".