38402843 has 2 divisors, whose sum is σ = 38402844. Its totient is φ = 38402842.

The previous prime is 38402797. The next prime is 38402849. The reversal of 38402843 is 34820483.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38402843 - 2⁸ = 38402587 is a prime.

It is not a weakly prime, because it can be changed into another prime (38402849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19201421 + 19201422.

It is an arithmetic number, because the mean of its divisors is an integer number (19201422).

Almost surely, 2^38402843 is an apocalyptic number.

38402843 is a deficient number, since it is larger than the sum of its proper divisors (1).

38402843 is an equidigital number, since it uses as much as digits as its factorization.

38402843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 38402843 is about 6197.0027432623. The cubic root of 38402843 is about 337.3813918842.

The spelling of 38402843 in words is "thirty-eight million, four hundred two thousand, eight hundred forty-three".