246426847 has 2 divisors, whose sum is σ = 246426848. Its totient is φ = 246426846.

The previous prime is 246426811. The next prime is 246426857. The reversal of 246426847 is 748624642.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-246426847 is a prime.

It is a super-2 number, since 2×246426847² = 121452381844722818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246426857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123213423 + 123213424.

It is an arithmetic number, because the mean of its divisors is an integer number (123213424).

Almost surely, 2^246426847 is an apocalyptic number.

246426847 is a deficient number, since it is larger than the sum of its proper divisors (1).

246426847 is an equidigital number, since it uses as much as digits as its factorization.

246426847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 43.

The square root of 246426847 is about 15697.9886291206. The cubic root of 246426847 is about 626.9448512484.

The spelling of 246426847 in words is "two hundred forty-six million, four hundred twenty-six thousand, eight hundred forty-seven".