38877841 has 2 divisors, whose sum is σ = 38877842. Its totient is φ = 38877840.

The previous prime is 38877833. The next prime is 38877847. The reversal of 38877841 is 14877883.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25401600 + 13476241 = 5040^2 + 3671^2 .

It is a cyclic number.

It is not a de Polignac number, because 38877841 - 2³ = 38877833 is a prime.

It is a super-2 number, since 2×38877841² = 3022973041642562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38877791 and 38877800.

It is not a weakly prime, because it can be changed into another prime (38877847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19438920 + 19438921.

It is an arithmetic number, because the mean of its divisors is an integer number (19438921).

Almost surely, 2^38877841 is an apocalyptic number.

It is an amenable number.

38877841 is a deficient number, since it is larger than the sum of its proper divisors (1).

38877841 is an equidigital number, since it uses as much as digits as its factorization.

38877841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 301056, while the sum is 46.

The square root of 38877841 is about 6235.2097799513. The cubic root of 38877841 is about 338.7666996120.

The spelling of 38877841 in words is "thirty-eight million, eight hundred seventy-seven thousand, eight hundred forty-one".