34090945 has 16 divisors (see below), whose sum is σ = 48787200. Its totient is φ = 22359744.

The previous prime is 34090937. The next prime is 34090957. The reversal of 34090945 is 54909043.

It is a cyclic number.

It is not a de Polignac number, because 34090945 - 2³ = 34090937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34090945.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20370 + ... + 21979.

It is an arithmetic number, because the mean of its divisors is an integer number (3049200).

Almost surely, 2^34090945 is an apocalyptic number.

34090945 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34090945 is a deficient number, since it is larger than the sum of its proper divisors (14696255).

34090945 is a wasteful number, since it uses less digits than its factorization.

34090945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42384.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 34090945 is about 5838.7451562814. The cubic root of 34090945 is about 324.2497724716.

Adding to 34090945 its reverse (54909043), we get a palindrome (88999988).

The spelling of 34090945 in words is "thirty-four million, ninety thousand, nine hundred forty-five".