34628813 has 8 divisors (see below), whose sum is σ = 37930680. Its totient is φ = 31467520.

The previous prime is 34628809. The next prime is 34628819. The reversal of 34628813 is 31882643.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22259524 + 12369289 = 4718^2 + 3517^2 .

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 34628813 - 2² = 34628809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34628819) 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, 34628 + ... + 35613.

It is an arithmetic number, because the mean of its divisors is an integer number (4741335).

Almost surely, 2^34628813 is an apocalyptic number.

It is an amenable number.

34628813 is a deficient number, since it is larger than the sum of its proper divisors (3301867).

34628813 is a wasteful number, since it uses less digits than its factorization.

34628813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70287.

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

The square root of 34628813 is about 5884.6251367441. The cubic root of 34628813 is about 325.9461595755.

The spelling of 34628813 in words is "thirty-four million, six hundred twenty-eight thousand, eight hundred thirteen".