39128485 has 8 divisors (see below), whose sum is σ = 51222816. Its totient is φ = 28457040.

The previous prime is 39128483. The next prime is 39128501. The reversal of 39128485 is 58482193.

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

It is not a de Polignac number, because 39128485 - 2¹ = 39128483 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 (39128483) 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, 355659 + ... + 355768.

It is an arithmetic number, because the mean of its divisors is an integer number (6402852).

Almost surely, 2^39128485 is an apocalyptic number.

It is an amenable number.

39128485 is a deficient number, since it is larger than the sum of its proper divisors (12094331).

39128485 is a wasteful number, since it uses less digits than its factorization.

39128485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711443.

The product of its digits is 69120, while the sum is 40.

The square root of 39128485 is about 6255.2765726225. The cubic root of 39128485 is about 339.4931461689.

The spelling of 39128485 in words is "thirty-nine million, one hundred twenty-eight thousand, four hundred eighty-five".