34281813 has 12 divisors (see below), whose sum is σ = 46320288. Its totient is φ = 22552920.

The previous prime is 34281811. The next prime is 34281829. The reversal of 34281813 is 31818243.

It is not a de Polignac number, because 34281813 - 2¹ = 34281811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34281811) 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 11 ways as a sum of consecutive naturals, for example, 17808 + ... + 19638.

It is an arithmetic number, because the mean of its divisors is an integer number (3860024).

Almost surely, 2^34281813 is an apocalyptic number.

It is an amenable number.

34281813 is a deficient number, since it is larger than the sum of its proper divisors (12038475).

34281813 is an equidigital number, since it uses as much as digits as its factorization.

34281813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992 (or 1913 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 34281813 is about 5855.0672925253. The cubic root of 34281813 is about 324.8537819579.

The spelling of 34281813 in words is "thirty-four million, two hundred eighty-one thousand, eight hundred thirteen".