39384039 has 4 divisors (see below), whose sum is σ = 52512056. Its totient is φ = 26256024.

The previous prime is 39383999. The next prime is 39384047. The reversal of 39384039 is 93048393.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 39384039 - 2¹⁵ = 39351271 is a prime.

It is a super-2 number, since 2×39384039² = 3102205055907042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39383988 and 39384006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39384049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564004 + ... + 6564009.

It is an arithmetic number, because the mean of its divisors is an integer number (13128014).

Almost surely, 2^39384039 is an apocalyptic number.

39384039 is a deficient number, since it is larger than the sum of its proper divisors (13128017).

39384039 is a wasteful number, since it uses less digits than its factorization.

39384039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13128016.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 39384039 is about 6275.6704024351. The cubic root of 39384039 is about 340.2306364783.

The spelling of 39384039 in words is "thirty-nine million, three hundred eighty-four thousand, thirty-nine".