39738893 has 8 divisors (see below), whose sum is σ = 40332600. Its totient is φ = 39149568.

The previous prime is 39738857. The next prime is 39738901. The reversal of 39738893 is 39883793.

It can be written as a sum of positive squares in 4 ways, for example, as 4656964 + 35081929 = 2158^2 + 5923^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39738893 - 2¹⁶ = 39673357 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 (39738833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20093 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (5041575).

Almost surely, 2^39738893 is an apocalyptic number.

It is an amenable number.

39738893 is a deficient number, since it is larger than the sum of its proper divisors (593707).

39738893 is a wasteful number, since it uses less digits than its factorization.

39738893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its digits is 979776, while the sum is 50.

The square root of 39738893 is about 6303.8792025228. The cubic root of 39738893 is about 341.2494197774.

The spelling of 39738893 in words is "thirty-nine million, seven hundred thirty-eight thousand, eight hundred ninety-three".