38861093 has 2 divisors, whose sum is σ = 38861094. Its totient is φ = 38861092.

The previous prime is 38861089. The next prime is 38861101. The reversal of 38861093 is 39016883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22877089 + 15984004 = 4783^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 38861093 - 2² = 38861089 is a prime.

It is equal to p_2368469 and since 38861093 and 2368469 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38861003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19430546 + 19430547.

It is an arithmetic number, because the mean of its divisors is an integer number (19430547).

Almost surely, 2^38861093 is an apocalyptic number.

It is an amenable number.

38861093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38861093 is an equidigital number, since it uses as much as digits as its factorization.

38861093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 38861093 is about 6233.8666171165. The cubic root of 38861093 is about 338.7180473940.

The spelling of 38861093 in words is "thirty-eight million, eight hundred sixty-one thousand, ninety-three".