39387969 has 12 divisors (see below), whose sum is σ = 59888400. Its totient is φ = 24876504.

The previous prime is 39387967. The next prime is 39387989. The reversal of 39387969 is 96978393.

It is not a de Polignac number, because 39387969 - 2¹ = 39387967 is a prime.

It is a super-2 number, since 2×39387969² = 3102824203889922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39387967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114999 + ... + 115340.

It is an arithmetic number, because the mean of its divisors is an integer number (4990700).

Almost surely, 2^39387969 is an apocalyptic number.

It is an amenable number.

39387969 is a deficient number, since it is larger than the sum of its proper divisors (20500431).

39387969 is a wasteful number, since it uses less digits than its factorization.

39387969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230364 (or 230361 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 54.

The square root of 39387969 is about 6275.9835085825. The cubic root of 39387969 is about 340.2419529233.

The spelling of 39387969 in words is "thirty-nine million, three hundred eighty-seven thousand, nine hundred sixty-nine".