39845097 has 12 divisors (see below), whose sum is σ = 57804084. Its totient is φ = 26448000.

The previous prime is 39845089. The next prime is 39845123. The reversal of 39845097 is 79054893.

It can be written as a sum of positive squares in 2 ways, for example, as 7080921 + 32764176 = 2661^2 + 5724^2 .

It is not a de Polignac number, because 39845097 - 2³ = 39845089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39845027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7404 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (4817007).

Almost surely, 2^39845097 is an apocalyptic number.

It is an amenable number.

39845097 is a deficient number, since it is larger than the sum of its proper divisors (17958987).

39845097 is a wasteful number, since it uses less digits than its factorization.

39845097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19240 (or 19237 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 39845097 is about 6312.2972838738. The cubic root of 39845097 is about 341.5531508942.

The spelling of 39845097 in words is "thirty-nine million, eight hundred forty-five thousand, ninety-seven".