34120818 has 16 divisors (see below), whose sum is σ = 75824160. Its totient is φ = 11373588.

The previous prime is 34120783. The next prime is 34120829. The reversal of 34120818 is 81802143.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34120791 and 34120800.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315880 + ... + 315987.

It is an arithmetic number, because the mean of its divisors is an integer number (4739010).

Almost surely, 2^34120818 is an apocalyptic number.

34120818 is an abundant number, since it is smaller than the sum of its proper divisors (41703342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34120818 is a wasteful number, since it uses less digits than its factorization.

34120818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631878 (or 631872 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 34120818 is about 5841.3027656508. The cubic root of 34120818 is about 324.3444553416.

The spelling of 34120818 in words is "thirty-four million, one hundred twenty thousand, eight hundred eighteen".