34688321 has 8 divisors (see below), whose sum is σ = 36474600. Its totient is φ = 32941440.

The previous prime is 34688317. The next prime is 34688323. The reversal of 34688321 is 12388643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7230721 + 27457600 = 2689^2 + 5240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34688321 - 2² = 34688317 is a prime.

It is a super-2 number, since 2×34688321² = 2406559227598082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34688323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8036 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (4559325).

Almost surely, 2^34688321 is an apocalyptic number.

It is an amenable number.

34688321 is a deficient number, since it is larger than the sum of its proper divisors (1786279).

34688321 is a wasteful number, since it uses less digits than its factorization.

34688321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19699.

The product of its digits is 27648, while the sum is 35.

The square root of 34688321 is about 5889.6791933008. The cubic root of 34688321 is about 326.1327604855.

The spelling of 34688321 in words is "thirty-four million, six hundred eighty-eight thousand, three hundred twenty-one".