38018093 has 2 divisors, whose sum is σ = 38018094. Its totient is φ = 38018092.

The previous prime is 38018089. The next prime is 38018131. The reversal of 38018093 is 39081083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29735209 + 8282884 = 5453^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 38018093 - 2² = 38018089 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38018033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19009046 + 19009047.

It is an arithmetic number, because the mean of its divisors is an integer number (19009047).

Almost surely, 2^38018093 is an apocalyptic number.

It is an amenable number.

38018093 is a deficient number, since it is larger than the sum of its proper divisors (1).

38018093 is an equidigital number, since it uses as much as digits as its factorization.

38018093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 38018093 is about 6165.8813644117. The cubic root of 38018093 is about 336.2508903023.

The spelling of 38018093 in words is "thirty-eight million, eighteen thousand, ninety-three".