34643644 has 12 divisors (see below), whose sum is σ = 69287344. Its totient is φ = 14847264.

The previous prime is 34643641. The next prime is 34643663. The reversal of 34643644 is 44634643.

34643644 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34643641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 618609 + ... + 618664.

Almost surely, 2^34643644 is an apocalyptic number.

It is an amenable number.

34643644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

34643644 is a wasteful number, since it uses less digits than its factorization.

34643644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237284 (or 1237282 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

The square root of 34643644 is about 5885.8851500858. The cubic root of 34643644 is about 325.9926855473.

Subtracting 34643644 from its reverse (44634643), we obtain a palindrome (9990999).

The spelling of 34643644 in words is "thirty-four million, six hundred forty-three thousand, six hundred forty-four".