38805293 has 2 divisors, whose sum is σ = 38805294. Its totient is φ = 38805292.

The previous prime is 38805287. The next prime is 38805313. The reversal of 38805293 is 39250883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22829284 + 15976009 = 4778^2 + 3997^2 .

It is a cyclic number.

It is not a de Polignac number, because 38805293 - 2²⁰ = 37756717 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38805223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19402646 + 19402647.

It is an arithmetic number, because the mean of its divisors is an integer number (19402647).

Almost surely, 2^38805293 is an apocalyptic number.

It is an amenable number.

38805293 is a deficient number, since it is larger than the sum of its proper divisors (1).

38805293 is an equidigital number, since it uses as much as digits as its factorization.

38805293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 38805293 is about 6229.3894564395. The cubic root of 38805293 is about 338.5558498583. Note that the first 3 decimals are identical.

The spelling of 38805293 in words is "thirty-eight million, eight hundred five thousand, two hundred ninety-three".