34845390 has 40 divisors (see below), whose sum is σ = 93697560. Its totient is φ = 9291888.

The previous prime is 34845389. The next prime is 34845397. The reversal of 34845390 is 9354843.

34845390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34845397) 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 19 ways as a sum of consecutive naturals, for example, 20700 + ... + 22319.

It is an arithmetic number, because the mean of its divisors is an integer number (2342439).

Almost surely, 2^34845390 is an apocalyptic number.

34845390 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34845390 is an abundant number, since it is smaller than the sum of its proper divisors (58852170).

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

34845390 is a wasteful number, since it uses less digits than its factorization.

34845390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43038 (or 43029 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 34845390 is about 5902.9983906486. The cubic root of 34845390 is about 326.6242633192.

The spelling of 34845390 in words is "thirty-four million, eight hundred forty-five thousand, three hundred ninety".