346144873 has 2 divisors, whose sum is σ = 346144874. Its totient is φ = 346144872.

The previous prime is 346144829. The next prime is 346144901. The reversal of 346144873 is 378441643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174979984 + 171164889 = 13228^2 + 13083^2 .

It is an emirp because it is prime and its reverse (378441643) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-346144873 is a prime.

It is a super-2 number, since 2×346144873² = 239632546208372258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (346142873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173072436 + 173072437.

It is an arithmetic number, because the mean of its divisors is an integer number (173072437).

Almost surely, 2^346144873 is an apocalyptic number.

It is an amenable number.

346144873 is a deficient number, since it is larger than the sum of its proper divisors (1).

346144873 is an equidigital number, since it uses as much as digits as its factorization.

346144873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 40.

The square root of 346144873 is about 18604.9690405547. The cubic root of 346144873 is about 702.1328640600.

The spelling of 346144873 in words is "three hundred forty-six million, one hundred forty-four thousand, eight hundred seventy-three".