39397071 has 16 divisors (see below), whose sum is σ = 60496128. Its totient is φ = 22339200.

The previous prime is 39397021. The next prime is 39397087. The reversal of 39397071 is 17079393.

It is not a de Polignac number, because 39397071 - 2⁷ = 39396943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39397021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4410 + ... + 9911.

It is an arithmetic number, because the mean of its divisors is an integer number (3781008).

Almost surely, 2^39397071 is an apocalyptic number.

39397071 is a deficient number, since it is larger than the sum of its proper divisors (21099057).

39397071 is a wasteful number, since it uses less digits than its factorization.

39397071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14462.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 39397071 is about 6276.7086120036. The cubic root of 39397071 is about 340.2681592651.

The spelling of 39397071 in words is "thirty-nine million, three hundred ninety-seven thousand, seventy-one".