39455093 has 2 divisors, whose sum is σ = 39455094. Its totient is φ = 39455092.

The previous prime is 39455071. The next prime is 39455099. The reversal of 39455093 is 39055493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20593444 + 18861649 = 4538^2 + 4343^2 .

It is a cyclic number.

It is not a de Polignac number, because 39455093 - 2¹⁴ = 39438709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39455099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19727546 + 19727547.

It is an arithmetic number, because the mean of its divisors is an integer number (19727547).

Almost surely, 2^39455093 is an apocalyptic number.

It is an amenable number.

39455093 is a deficient number, since it is larger than the sum of its proper divisors (1).

39455093 is an equidigital number, since it uses as much as digits as its factorization.

39455093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72900, while the sum is 38.

The square root of 39455093 is about 6281.3289199022. The cubic root of 39455093 is about 340.4351205339.

The spelling of 39455093 in words is "thirty-nine million, four hundred fifty-five thousand, ninety-three".