34392681 has 10 divisors (see below), whose sum is σ = 51376842. Its totient is φ = 22928400.

The previous prime is 34392667. The next prime is 34392691. The reversal of 34392681 is 18629343.

It can be written as a sum of positive squares in only one way, i.e., 18352656 + 16040025 = 4284^2 + 4005^2 .

It is not a de Polignac number, because 34392681 - 2¹⁰ = 34391657 is a prime.

It is a super-2 number, since 2×34392681² = 2365713012735522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34392691) 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 in 9 ways as a sum of consecutive naturals, for example, 212220 + ... + 212381.

Almost surely, 2^34392681 is an apocalyptic number.

It is an amenable number.

34392681 is a deficient number, since it is larger than the sum of its proper divisors (16984161).

34392681 is an equidigital number, since it uses as much as digits as its factorization.

34392681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424613 (or 424604 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 34392681 is about 5864.5273466836. The cubic root of 34392681 is about 325.2035994482.

The spelling of 34392681 in words is "thirty-four million, three hundred ninety-two thousand, six hundred eighty-one".