346228747 has 2 divisors, whose sum is σ = 346228748. Its totient is φ = 346228746.

The previous prime is 346228711. The next prime is 346228759. The reversal of 346228747 is 747822643.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346228747 is a prime.

It is not a weakly prime, because it can be changed into another prime (346228147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173114373 + 173114374.

It is an arithmetic number, because the mean of its divisors is an integer number (173114374).

Almost surely, 2^346228747 is an apocalyptic number.

346228747 is a deficient number, since it is larger than the sum of its proper divisors (1).

346228747 is an equidigital number, since it uses as much as digits as its factorization.

346228747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 43.

The square root of 346228747 is about 18607.2229792626. Note that the first 3 decimals coincide. The cubic root of 346228747 is about 702.1895705053.

The spelling of 346228747 in words is "three hundred forty-six million, two hundred twenty-eight thousand, seven hundred forty-seven".