34831945 has 8 divisors (see below), whose sum is σ = 41920200. Its totient is φ = 27784320.

The previous prime is 34831939. The next prime is 34831949. The reversal of 34831945 is 54913843.

34831945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14500864 + 20331081 = 3808^2 + 4509^2 .

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

It is not a de Polignac number, because 34831945 - 2¹⁹ = 34307657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34831949) 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 7 ways as a sum of consecutive naturals, for example, 8236 + ... + 11725.

It is an arithmetic number, because the mean of its divisors is an integer number (5240025).

Almost surely, 2^34831945 is an apocalyptic number.

It is an amenable number.

34831945 is a deficient number, since it is larger than the sum of its proper divisors (7088255).

34831945 is a wasteful number, since it uses less digits than its factorization.

34831945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20315.

The product of its digits is 51840, while the sum is 37.

The square root of 34831945 is about 5901.8594527488. The cubic root of 34831945 is about 326.5822488839.

The spelling of 34831945 in words is "thirty-four million, eight hundred thirty-one thousand, nine hundred forty-five".