34690321 has 8 divisors (see below), whose sum is σ = 35043624. Its totient is φ = 34339200.

The previous prime is 34690301. The next prime is 34690343. The reversal of 34690321 is 12309643.

It can be written as a sum of positive squares in 4 ways, for example, as 29582721 + 5107600 = 5439^2 + 2260^2 .

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 34690321 - 2¹³ = 34682129 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34690321.

It is not an unprimeable number, because it can be changed into a prime (34690301) 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, 57421 + ... + 58021.

It is an arithmetic number, because the mean of its divisors is an integer number (4380453).

Almost surely, 2^34690321 is an apocalyptic number.

It is an amenable number.

34690321 is a deficient number, since it is larger than the sum of its proper divisors (353303).

34690321 is a wasteful number, since it uses less digits than its factorization.

34690321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 34690321 is about 5889.8489793882. The cubic root of 34690321 is about 326.1390282337.

Adding to 34690321 its reverse (12309643), we get a palindrome (46999964).

The spelling of 34690321 in words is "thirty-four million, six hundred ninety thousand, three hundred twenty-one".