34636643 has 8 divisors (see below), whose sum is σ = 37389600. Its totient is φ = 31987648.

The previous prime is 34636631. The next prime is 34636687. The reversal of 34636643 is 34663643.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34636643 - 2⁴ = 34636627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34636843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25298 + ... + 26631.

It is an arithmetic number, because the mean of its divisors is an integer number (4673700).

Almost surely, 2^34636643 is an apocalyptic number.

34636643 is a deficient number, since it is larger than the sum of its proper divisors (2752957).

34636643 is a wasteful number, since it uses less digits than its factorization.

34636643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51981.

The product of its digits is 93312, while the sum is 35.

The square root of 34636643 is about 5885.2903921557. The cubic root of 34636643 is about 325.9707245343.

Subtracting 34636643 from its reverse (34663643), we obtain a cube (27000 = 30³).

The spelling of 34636643 in words is "thirty-four million, six hundred thirty-six thousand, six hundred forty-three".