34843681 has 2 divisors, whose sum is σ = 34843682. Its totient is φ = 34843680.

The previous prime is 34843657. The next prime is 34843729. The reversal of 34843681 is 18634843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24059025 + 10784656 = 4905^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 34843681 - 2¹⁵ = 34810913 is a prime.

It is a super-2 number, since 2×34843681² = 2428164211259522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34843681.

It is not a weakly prime, because it can be changed into another prime (34843651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17421840 + 17421841.

It is an arithmetic number, because the mean of its divisors is an integer number (17421841).

Almost surely, 2^34843681 is an apocalyptic number.

It is an amenable number.

34843681 is a deficient number, since it is larger than the sum of its proper divisors (1).

34843681 is an equidigital number, since it uses as much as digits as its factorization.

34843681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The square root of 34843681 is about 5902.8536319309. The cubic root of 34843681 is about 326.6189234450.

The spelling of 34843681 in words is "thirty-four million, eight hundred forty-three thousand, six hundred eighty-one".