39814069 has 2 divisors, whose sum is σ = 39814070. Its totient is φ = 39814068.

The previous prime is 39814043. The next prime is 39814091. The reversal of 39814069 is 96041893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24502500 + 15311569 = 4950^2 + 3913^2 .

It is a cyclic number.

It is not a de Polignac number, because 39814069 - 2⁵ = 39814037 is a prime.

It is a super-2 number, since 2×39814069² = 3170320180673522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39814039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19907034 + 19907035.

It is an arithmetic number, because the mean of its divisors is an integer number (19907035).

Almost surely, 2^39814069 is an apocalyptic number.

It is an amenable number.

39814069 is a deficient number, since it is larger than the sum of its proper divisors (1).

39814069 is an equidigital number, since it uses as much as digits as its factorization.

39814069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 39814069 is about 6309.8390629239. The cubic root of 39814069 is about 341.4644702783.

The spelling of 39814069 in words is "thirty-nine million, eight hundred fourteen thousand, sixty-nine".