39064397 has 4 divisors (see below), whose sum is σ = 39084636. Its totient is φ = 39044160.

The previous prime is 39064393. The next prime is 39064429. The reversal of 39064397 is 79346093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79346093 = 37 ⋅2144489.

It can be written as a sum of positive squares in 2 ways, for example, as 32844361 + 6220036 = 5731^2 + 2494^2 .

It is a cyclic number.

It is not a de Polignac number, because 39064397 - 2² = 39064393 is a prime.

It is a super-2 number, since 2×39064397² = 3052054225947218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39064391) 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, 6878 + ... + 11199.

It is an arithmetic number, because the mean of its divisors is an integer number (9771159).

Almost surely, 2^39064397 is an apocalyptic number.

It is an amenable number.

39064397 is a deficient number, since it is larger than the sum of its proper divisors (20239).

39064397 is a wasteful number, since it uses less digits than its factorization.

39064397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20238.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 39064397 is about 6250.1517581576. The cubic root of 39064397 is about 339.3076945190.

The spelling of 39064397 in words is "thirty-nine million, sixty-four thousand, three hundred ninety-seven".