34387445 has 4 divisors (see below), whose sum is σ = 41264940. Its totient is φ = 27509952.

The previous prime is 34387439. The next prime is 34387459. The reversal of 34387445 is 54478343.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9006001 + 25381444 = 3001^2 + 5038^2 .

It is a cyclic number.

It is not a de Polignac number, because 34387445 - 2¹⁶ = 34321909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34387399 and 34387408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438740 + ... + 3438749.

It is an arithmetic number, because the mean of its divisors is an integer number (10316235).

Almost surely, 2^34387445 is an apocalyptic number.

It is an amenable number.

34387445 is a deficient number, since it is larger than the sum of its proper divisors (6877495).

34387445 is an equidigital number, since it uses as much as digits as its factorization.

34387445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877494.

The product of its digits is 161280, while the sum is 38.

The square root of 34387445 is about 5864.0809169042. The cubic root of 34387445 is about 325.1870954284.

The spelling of 34387445 in words is "thirty-four million, three hundred eighty-seven thousand, four hundred forty-five".