39628093 has 2 divisors, whose sum is σ = 39628094. Its totient is φ = 39628092.

The previous prime is 39628081. The next prime is 39628109. The reversal of 39628093 is 39082693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601849 + 26244 = 6293^2 + 162^2 .

It is a cyclic number.

It is not a de Polignac number, because 39628093 - 2¹³ = 39619901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39668093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19814046 + 19814047.

It is an arithmetic number, because the mean of its divisors is an integer number (19814047).

Almost surely, 2^39628093 is an apocalyptic number.

It is an amenable number.

39628093 is a deficient number, since it is larger than the sum of its proper divisors (1).

39628093 is an equidigital number, since it uses as much as digits as its factorization.

39628093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 39628093 is about 6295.0848286580. The cubic root of 39628093 is about 340.9319672902.

The spelling of 39628093 in words is "thirty-nine million, six hundred twenty-eight thousand, ninety-three".