34520390 has 8 divisors (see below), whose sum is σ = 62136720. Its totient is φ = 13808152.

The previous prime is 34520383. The next prime is 34520399. The reversal of 34520390 is 9302543.

34520390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34520399) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1726010 + ... + 1726029.

It is an arithmetic number, because the mean of its divisors is an integer number (7767090).

Almost surely, 2^34520390 is an apocalyptic number.

34520390 is a deficient number, since it is larger than the sum of its proper divisors (27616330).

34520390 is a wasteful number, since it uses less digits than its factorization.

34520390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452046.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 34520390 is about 5875.4055179196. The cubic root of 34520390 is about 325.6056241948.

The spelling of 34520390 in words is "thirty-four million, five hundred twenty thousand, three hundred ninety".