34854643 has 2 divisors, whose sum is σ = 34854644. Its totient is φ = 34854642.

The previous prime is 34854623. The next prime is 34854647. The reversal of 34854643 is 34645843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 34854643 - 2¹³ = 34846451 is a prime.

It is a super-2 number, since 2×34854643² = 2429692277314898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (34854647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17427321 + 17427322.

It is an arithmetic number, because the mean of its divisors is an integer number (17427322).

Almost surely, 2^34854643 is an apocalyptic number.

34854643 is a deficient number, since it is larger than the sum of its proper divisors (1).

34854643 is an equidigital number, since it uses as much as digits as its factorization.

34854643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 37.

The square root of 34854643 is about 5903.7820928622. The cubic root of 34854643 is about 326.6531718475.

It can be divided in two parts, 3485 and 4643, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 34854643 in words is "thirty-four million, eight hundred fifty-four thousand, six hundred forty-three".