38884081 has 2 divisors, whose sum is σ = 38884082. Its totient is φ = 38884080.

The previous prime is 38884067. The next prime is 38884093. The reversal of 38884081 is 18048883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 3837681 = 5920^2 + 1959^2 .

It is a cyclic number.

It is not a de Polignac number, because 38884081 - 2⁷ = 38883953 is a prime.

It is a super-2 number, since 2×38884081² = 3023943510429122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38884061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19442040 + 19442041.

It is an arithmetic number, because the mean of its divisors is an integer number (19442041).

Almost surely, 2^38884081 is an apocalyptic number.

It is an amenable number.

38884081 is a deficient number, since it is larger than the sum of its proper divisors (1).

38884081 is an equidigital number, since it uses as much as digits as its factorization.

38884081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 38884081 is about 6235.7101440012. The cubic root of 38884081 is about 338.7848229702.

The spelling of 38884081 in words is "thirty-eight million, eight hundred eighty-four thousand, eighty-one".