39378041 has 2 divisors, whose sum is σ = 39378042. Its totient is φ = 39378040.

The previous prime is 39378037. The next prime is 39378049. The reversal of 39378041 is 14087393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38800441 + 577600 = 6229^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 39378041 - 2² = 39378037 is a prime.

It is a super-2 number, since 2×39378041² = 3101260225995362, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 39377992 and 39378010.

It is not a weakly prime, because it can be changed into another prime (39378049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19689020 + 19689021.

It is an arithmetic number, because the mean of its divisors is an integer number (19689021).

Almost surely, 2^39378041 is an apocalyptic number.

It is an amenable number.

39378041 is a deficient number, since it is larger than the sum of its proper divisors (1).

39378041 is an equidigital number, since it uses as much as digits as its factorization.

39378041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 39378041 is about 6275.1925070073. The cubic root of 39378041 is about 340.2133637708.

The spelling of 39378041 in words is "thirty-nine million, three hundred seventy-eight thousand, forty-one".