39079493 has 4 divisors (see below), whose sum is σ = 39156780. Its totient is φ = 39002208.

The previous prime is 39079477. The next prime is 39079517. The reversal of 39079493 is 39497093.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39497093 = 37 ⋅1067489.

It can be written as a sum of positive squares in 2 ways, for example, as 18130564 + 20948929 = 4258^2 + 4577^2 .

It is a cyclic number.

It is not a de Polignac number, because 39079493 - 2⁴ = 39079477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39079463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37880 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (9789195).

Almost surely, 2^39079493 is an apocalyptic number.

It is an amenable number.

39079493 is a deficient number, since it is larger than the sum of its proper divisors (77287).

39079493 is an equidigital number, since it uses as much as digits as its factorization.

39079493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77286.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 39079493 is about 6251.3592921860. The cubic root of 39079493 is about 339.3513961134.

The spelling of 39079493 in words is "thirty-nine million, seventy-nine thousand, four hundred ninety-three".