34643320 has 16 divisors (see below), whose sum is σ = 77947560. Its totient is φ = 13857312.

The previous prime is 34643309. The next prime is 34643321. The reversal of 34643320 is 2334643.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34643321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433002 + ... + 433081.

Almost surely, 2^34643320 is an apocalyptic number.

It is an amenable number.

34643320 is an abundant number, since it is smaller than the sum of its proper divisors (43304240).

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

34643320 is a wasteful number, since it uses less digits than its factorization.

34643320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866094 (or 866090 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 34643320 is about 5885.8576265486. The cubic root of 34643320 is about 325.9916692766.

Adding to 34643320 its reverse (2334643), we get a palindrome (36977963).

The spelling of 34643320 in words is "thirty-four million, six hundred forty-three thousand, three hundred twenty".