34308813 has 32 divisors (see below), whose sum is σ = 60042240. Its totient is φ = 16882560.

The previous prime is 34308809. The next prime is 34308821. The reversal of 34308813 is 31880343.

It is not a de Polignac number, because 34308813 - 2² = 34308809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34308823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481 + ... + 8297.

It is an arithmetic number, because the mean of its divisors is an integer number (1876320).

Almost surely, 2^34308813 is an apocalyptic number.

34308813 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

34308813 is a deficient number, since it is larger than the sum of its proper divisors (25733427).

34308813 is a wasteful number, since it uses less digits than its factorization.

34308813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 34308813 is about 5857.3725338244. The cubic root of 34308813 is about 324.9390434001.

The spelling of 34308813 in words is "thirty-four million, three hundred eight thousand, eight hundred thirteen".