34820197 has 4 divisors (see below), whose sum is σ = 35297260. Its totient is φ = 34343136.

The previous prime is 34820189. The next prime is 34820209. The reversal of 34820197 is 79102843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79102843 = 43 ⋅1839601.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 17255716 = 4191^2 + 4154^2 .

It is a cyclic number.

It is not a de Polignac number, because 34820197 - 2³ = 34820189 is a prime.

It is a super-2 number, since 2×34820197² = 2424892238237618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34820117) 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, 238422 + ... + 238567.

It is an arithmetic number, because the mean of its divisors is an integer number (8824315).

Almost surely, 2^34820197 is an apocalyptic number.

It is an amenable number.

34820197 is a deficient number, since it is larger than the sum of its proper divisors (477063).

34820197 is an equidigital number, since it uses as much as digits as its factorization.

34820197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477062.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 34820197 is about 5900.8640892669. The cubic root of 34820197 is about 326.5455285717.

The spelling of 34820197 in words is "thirty-four million, eight hundred twenty thousand, one hundred ninety-seven".