39027989 has 32 divisors (see below), whose sum is σ = 52985856. Its totient is φ = 27760320.

The previous prime is 39027979. The next prime is 39027991. The reversal of 39027989 is 98972093.

It is a de Polignac number, because none of the positive numbers 2^k-39027989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39027959) 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, 126974 + ... + 127280.

It is an arithmetic number, because the mean of its divisors is an integer number (1655808).

Almost surely, 2^39027989 is an apocalyptic number.

It is an amenable number.

39027989 is a deficient number, since it is larger than the sum of its proper divisors (13957867).

39027989 is a wasteful number, since it uses less digits than its factorization.

39027989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 39027989 is about 6247.2385099338. The cubic root of 39027989 is about 339.2022502159.

The spelling of 39027989 in words is "thirty-nine million, twenty-seven thousand, nine hundred eighty-nine".