39190093 has 2 divisors, whose sum is σ = 39190094. Its totient is φ = 39190092.

The previous prime is 39190079. The next prime is 39190097. The reversal of 39190093 is 39009193.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38962564 + 227529 = 6242^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 39190093 - 2⁵ = 39190061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39190097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19595046 + 19595047.

It is an arithmetic number, because the mean of its divisors is an integer number (19595047).

Almost surely, 2^39190093 is an apocalyptic number.

It is an amenable number.

39190093 is a deficient number, since it is larger than the sum of its proper divisors (1).

39190093 is an equidigital number, since it uses as much as digits as its factorization.

39190093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561, while the sum is 34.

The square root of 39190093 is about 6260.1991182390. The cubic root of 39190093 is about 339.6712306357.

The spelling of 39190093 in words is "thirty-nine million, one hundred ninety thousand, ninety-three".