39396893 has 4 divisors (see below), whose sum is σ = 39412380. Its totient is φ = 39381408.

The previous prime is 39396887. The next prime is 39396913. The reversal of 39396893 is 39869393.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39869393 = 463 ⋅86111.

It can be written as a sum of positive squares in 2 ways, for example, as 11539609 + 27857284 = 3397^2 + 5278^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39396893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39396883) 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, 2930 + ... + 9347.

It is an arithmetic number, because the mean of its divisors is an integer number (9853095).

Almost surely, 2^39396893 is an apocalyptic number.

It is an amenable number.

39396893 is a deficient number, since it is larger than the sum of its proper divisors (15487).

39396893 is a wasteful number, since it uses less digits than its factorization.

39396893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15486.

The product of its digits is 944784, while the sum is 50.

The square root of 39396893 is about 6276.6944325815. The cubic root of 39396893 is about 340.2676468089.

The spelling of 39396893 in words is "thirty-nine million, three hundred ninety-six thousand, eight hundred ninety-three".