39122849 has 4 divisors (see below), whose sum is σ = 39213636. Its totient is φ = 39032064.

The previous prime is 39122833. The next prime is 39122857. The reversal of 39122849 is 94822193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94822193 = 5503 ⋅17231.

It can be written as a sum of positive squares in 2 ways, for example, as 1423249 + 37699600 = 1193^2 + 6140^2 .

It is a cyclic number.

It is not a de Polignac number, because 39122849 - 2⁴ = 39122833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39122879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44744 + ... + 45609.

It is an arithmetic number, because the mean of its divisors is an integer number (9803409).

Almost surely, 2^39122849 is an apocalyptic number.

It is an amenable number.

39122849 is a deficient number, since it is larger than the sum of its proper divisors (90787).

39122849 is an equidigital number, since it uses as much as digits as its factorization.

39122849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90786.

The product of its digits is 31104, while the sum is 38.

The square root of 39122849 is about 6254.8260567341. The cubic root of 39122849 is about 339.4768453824.

The spelling of 39122849 in words is "thirty-nine million, one hundred twenty-two thousand, eight hundred forty-nine".