34423845 has 32 divisors (see below), whose sum is σ = 56730240. Its totient is φ = 17817600.

The previous prime is 34423819. The next prime is 34423849. The reversal of 34423845 is 54832443.

34423845 = 321² + 322² + ... + 514².

It is not a de Polignac number, because 34423845 - 2⁵ = 34423813 is a prime.

It is a super-2 number, since 2×34423845² = 2370002209168050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34423849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85645 + ... + 86045.

It is an arithmetic number, because the mean of its divisors is an integer number (1772820).

Almost surely, 2^34423845 is an apocalyptic number.

It is an amenable number.

34423845 is a deficient number, since it is larger than the sum of its proper divisors (22306395).

34423845 is a wasteful number, since it uses less digits than its factorization.

34423845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 46080, while the sum is 33.

The square root of 34423845 is about 5867.1837366832. The cubic root of 34423845 is about 325.3017946178.

The spelling of 34423845 in words is "thirty-four million, four hundred twenty-three thousand, eight hundred forty-five".