39009487 has 8 divisors (see below), whose sum is σ = 42602112. Its totient is φ = 35424600.

The previous prime is 39009479. The next prime is 39009497. The reversal of 39009487 is 78490093.

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

It is a cyclic number.

It is not a de Polignac number, because 39009487 - 2³ = 39009479 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 (39009427) 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, 15448 + ... + 17794.

It is an arithmetic number, because the mean of its divisors is an integer number (5325264).

Almost surely, 2^39009487 is an apocalyptic number.

39009487 is a deficient number, since it is larger than the sum of its proper divisors (3592625).

39009487 is a wasteful number, since it uses less digits than its factorization.

39009487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 39009487 is about 6245.7575201092. The cubic root of 39009487 is about 339.1486398694.

The spelling of 39009487 in words is "thirty-nine million, nine thousand, four hundred eighty-seven".