39869097 has 32 divisors (see below), whose sum is σ = 60238080. Its totient is φ = 23316480.

The previous prime is 39869059. The next prime is 39869099. The reversal of 39869097 is 79096893.

It is a de Polignac number, because none of the positive numbers 2^k-39869097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (39869099) 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 31 ways as a sum of consecutive naturals, for example, 47679 + ... + 48507.

It is an arithmetic number, because the mean of its divisors is an integer number (1882440).

Almost surely, 2^39869097 is an apocalyptic number.

It is an amenable number.

39869097 is a deficient number, since it is larger than the sum of its proper divisors (20368983).

39869097 is a wasteful number, since it uses less digits than its factorization.

39869097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 39869097 is about 6314.1980488420. The cubic root of 39869097 is about 341.6217133269.

The spelling of 39869097 in words is "thirty-nine million, eight hundred sixty-nine thousand, ninety-seven".