39489097 has 8 divisors (see below), whose sum is σ = 40920840. Its totient is φ = 38062080.

The previous prime is 39489041. The next prime is 39489119. The reversal of 39489097 is 79098493.

It can be written as a sum of positive squares in 4 ways, for example, as 20575296 + 18913801 = 4536^2 + 4349^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39489097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39489097.

It is not an unprimeable number, because it can be changed into a prime (39489797) 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, 32847 + ... + 34027.

It is an arithmetic number, because the mean of its divisors is an integer number (5115105).

Almost surely, 2^39489097 is an apocalyptic number.

It is an amenable number.

39489097 is a deficient number, since it is larger than the sum of its proper divisors (1431743).

39489097 is a wasteful number, since it uses less digits than its factorization.

39489097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 39489097 is about 6284.0350890172. The cubic root of 39489097 is about 340.5328927178.

The spelling of 39489097 in words is "thirty-nine million, four hundred eighty-nine thousand, ninety-seven".