34405320 has 32 divisors (see below), whose sum is σ = 103216320. Its totient is φ = 9174720.

The previous prime is 34405307. The next prime is 34405373. The reversal of 34405320 is 2350443.

It is a happy number.

34405320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143236 + ... + 143475.

It is an arithmetic number, because the mean of its divisors is an integer number (3225510).

Almost surely, 2^34405320 is an apocalyptic number.

34405320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34405320 is an abundant number, since it is smaller than the sum of its proper divisors (68811000).

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

34405320 is a wasteful number, since it uses less digits than its factorization.

34405320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286725 (or 286721 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 34405320 is about 5865.6048281486. The cubic root of 34405320 is about 325.2434310323.

Adding to 34405320 its reverse (2350443), we get a palindrome (36755763).

The spelling of 34405320 in words is "thirty-four million, four hundred five thousand, three hundred twenty".