39306893 has 2 divisors, whose sum is σ = 39306894. Its totient is φ = 39306892.

The previous prime is 39306889. The next prime is 39307013. The reversal of 39306893 is 39860393.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39212644 + 94249 = 6262^2 + 307^2 .

It is a cyclic number.

It is not a de Polignac number, because 39306893 - 2² = 39306889 is a prime.

It is a super-3 number, since 3×39306893³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39306893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39306833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19653446 + 19653447.

It is an arithmetic number, because the mean of its divisors is an integer number (19653447).

Almost surely, 2^39306893 is an apocalyptic number.

It is an amenable number.

39306893 is a deficient number, since it is larger than the sum of its proper divisors (1).

39306893 is an equidigital number, since it uses as much as digits as its factorization.

39306893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 39306893 is about 6269.5209545866. The cubic root of 39306893 is about 340.0083417792.

The spelling of 39306893 in words is "thirty-nine million, three hundred six thousand, eight hundred ninety-three".