41228639 has 2 divisors, whose sum is σ = 41228640. Its totient is φ = 41228638.

The previous prime is 41228617. The next prime is 41228683. The reversal of 41228639 is 93682214.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41228639 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 41228599 and 41228608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41228339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20614319 + 20614320.

It is an arithmetic number, because the mean of its divisors is an integer number (20614320).

Almost surely, 2^41228639 is an apocalyptic number.

41228639 is a deficient number, since it is larger than the sum of its proper divisors (1).

41228639 is an equidigital number, since it uses as much as digits as its factorization.

41228639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 41228639 is about 6420.9531223955. The cubic root of 41228639 is about 345.4615093639.

The spelling of 41228639 in words is "forty-one million, two hundred twenty-eight thousand, six hundred thirty-nine".