34864785 has 12 divisors (see below), whose sum is σ = 60432372. Its totient is φ = 18594528.

The previous prime is 34864777. The next prime is 34864789. The reversal of 34864785 is 58746843.

It can be written as a sum of positive squares in 2 ways, for example, as 13046544 + 21818241 = 3612^2 + 4671^2 .

It is not a de Polignac number, because 34864785 - 2³ = 34864777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 774773 = 34864785 / (3 + 4 + 8 + 6 + 4 + 7 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 34864785.

It is not an unprimeable number, because it can be changed into a prime (34864789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387342 + ... + 387431.

It is an arithmetic number, because the mean of its divisors is an integer number (5036031).

Almost surely, 2^34864785 is an apocalyptic number.

It is an amenable number.

34864785 is a deficient number, since it is larger than the sum of its proper divisors (25567587).

34864785 is a wasteful number, since it uses less digits than its factorization.

34864785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774784 (or 774781 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 34864785 is about 5904.6409713038. The cubic root of 34864785 is about 326.6848519424.

The spelling of 34864785 in words is "thirty-four million, eight hundred sixty-four thousand, seven hundred eighty-five".