346263643 has 16 divisors (see below), whose sum is σ = 397458432. Its totient is φ = 301072200.

The previous prime is 346263629. The next prime is 346263677. The reversal of 346263643 is 346362643.

It is not a de Polignac number, because 346263643 - 2⁵ = 346263611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (346263943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24958 + ... + 36268.

It is an arithmetic number, because the mean of its divisors is an integer number (24841152).

Almost surely, 2^346263643 is an apocalyptic number.

346263643 is a deficient number, since it is larger than the sum of its proper divisors (51194789).

346263643 is a wasteful number, since it uses less digits than its factorization.

346263643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367 (or 11345 counting only the distinct ones).

The product of its digits is 186624, while the sum is 37.

The square root of 346263643 is about 18608.1606560133. The cubic root of 346263643 is about 702.2131606744.

The spelling of 346263643 in words is "three hundred forty-six million, two hundred sixty-three thousand, six hundred forty-three".