34380789 has 8 divisors (see below), whose sum is σ = 46356480. Its totient is φ = 22662816.

The previous prime is 34380751. The next prime is 34380793. The reversal of 34380789 is 98708343.

34380789 = 577² + 578² + ... + 665².

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

It is not a de Polignac number, because 34380789 - 2¹⁷ = 34249717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34380789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34380719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64117 + ... + 64650.

It is an arithmetic number, because the mean of its divisors is an integer number (5794560).

Almost surely, 2^34380789 is an apocalyptic number.

It is an amenable number.

34380789 is a deficient number, since it is larger than the sum of its proper divisors (11975691).

34380789 is a wasteful number, since it uses less digits than its factorization.

34380789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128859.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 34380789 is about 5863.5133665747. The cubic root of 34380789 is about 325.1661131099.

The spelling of 34380789 in words is "thirty-four million, three hundred eighty thousand, seven hundred eighty-nine".