34428945 has 16 divisors (see below), whose sum is σ = 56986560. Its totient is φ = 17728704.

The previous prime is 34428943. The next prime is 34428967. The reversal of 34428945 is 54982443.

It is not a de Polignac number, because 34428945 - 2¹ = 34428943 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34428943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39139 + ... + 40008.

It is an arithmetic number, because the mean of its divisors is an integer number (3561660).

Almost surely, 2^34428945 is an apocalyptic number.

It is an amenable number.

34428945 is a deficient number, since it is larger than the sum of its proper divisors (22557615).

34428945 is a wasteful number, since it uses less digits than its factorization.

34428945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79184.

The product of its digits is 138240, while the sum is 39.

The square root of 34428945 is about 5867.6183413716. The cubic root of 34428945 is about 325.3178586497.

The spelling of 34428945 in words is "thirty-four million, four hundred twenty-eight thousand, nine hundred forty-five".