39900313 has 2 divisors, whose sum is σ = 39900314. Its totient is φ = 39900312.

The previous prime is 39900307. The next prime is 39900401. The reversal of 39900313 is 31300993.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31449664 + 8450649 = 5608^2 + 2907^2 .

It is a cyclic number.

It is not a de Polignac number, because 39900313 - 2¹⁷ = 39769241 is a prime.

It is not a weakly prime, because it can be changed into another prime (39903313) 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, 19950156 + 19950157.

It is an arithmetic number, because the mean of its divisors is an integer number (19950157).

Almost surely, 2^39900313 is an apocalyptic number.

It is an amenable number.

39900313 is a deficient number, since it is larger than the sum of its proper divisors (1).

39900313 is an equidigital number, since it uses as much as digits as its factorization.

39900313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 39900313 is about 6316.6694547047. The cubic root of 39900313 is about 341.7108490421.

The spelling of 39900313 in words is "thirty-nine million, nine hundred thousand, three hundred thirteen".