34638697 has 4 divisors (see below), whose sum is σ = 35574916. Its totient is φ = 33702480.

The previous prime is 34638683. The next prime is 34638743. The reversal of 34638697 is 79683643.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79683643 = 13 ⋅6129511.

It can be written as a sum of positive squares in 2 ways, for example, as 32959081 + 1679616 = 5741^2 + 1296^2 .

It is a cyclic number.

It is not a de Polignac number, because 34638697 - 2¹⁵ = 34605929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34638677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468054 + ... + 468127.

It is an arithmetic number, because the mean of its divisors is an integer number (8893729).

Almost surely, 2^34638697 is an apocalyptic number.

34638697 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

34638697 is a deficient number, since it is larger than the sum of its proper divisors (936219).

34638697 is an equidigital number, since it uses as much as digits as its factorization.

34638697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936218.

The product of its digits is 653184, while the sum is 46.

The square root of 34638697 is about 5885.4648924278. The cubic root of 34638697 is about 325.9771679093.

The spelling of 34638697 in words is "thirty-four million, six hundred thirty-eight thousand, six hundred ninety-seven".