34387644 has 48 divisors (see below), whose sum is σ = 86284800. Its totient is φ = 10624896.

The previous prime is 34387637. The next prime is 34387657. The reversal of 34387644 is 44678343.

34387644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9112 + ... + 12320.

It is an arithmetic number, because the mean of its divisors is an integer number (1797600).

Almost surely, 2^34387644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34387644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43142400).

34387644 is an abundant number, since it is smaller than the sum of its proper divisors (51897156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34387644 is a wasteful number, since it uses less digits than its factorization.

34387644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282 (or 3280 counting only the distinct ones).

The product of its digits is 193536, while the sum is 39.

The square root of 34387644 is about 5864.0978845855. The cubic root of 34387644 is about 325.1877227126.

The spelling of 34387644 in words is "thirty-four million, three hundred eighty-seven thousand, six hundred forty-four".