413236643 has 16 divisors (see below), whose sum is σ = 445824000. Its totient is φ = 381794112.

The previous prime is 413236639. The next prime is 413236661. The reversal of 413236643 is 346632314.

It is a cyclic number.

It is not a de Polignac number, because 413236643 - 2² = 413236639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (413236693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319943 + ... + 321231.

It is an arithmetic number, because the mean of its divisors is an integer number (27864000).

Almost surely, 2^413236643 is an apocalyptic number.

413236643 is a deficient number, since it is larger than the sum of its proper divisors (32587357).

413236643 is a wasteful number, since it uses less digits than its factorization.

413236643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714.

The product of its digits is 31104, while the sum is 32.

The square root of 413236643 is about 20328.2228195187. Note that the first 3 decimals coincide. The cubic root of 413236643 is about 744.8456314246.

Adding to 413236643 its reverse (346632314), we get a palindrome (759868957).

The spelling of 413236643 in words is "four hundred thirteen million, two hundred thirty-six thousand, six hundred forty-three".